Information Design Tool For Linux Business Objects 4.2

Awesome Linux Software

Tux

🐧 This repo is a collection of AWESOME Linux applications and tools for any users/developers.
🐧 Feel free to contribute / star / fork / pull request . Any recommendations and suggestions are welcome.

Acknowledgement: Everything written below is from my own experience in college and after reading various materials. I am neither a professional nor an expert, but a passionate student. Anyone can open a discussion in the issue section, or a pull request if something should be modified or added.

Brazilian Portuguese version : here.
Chinese version : here or here.
Spanish version : here or here
Thai version : here.

Applications
- Audio
- Chat Clients
- Data Backup and Recovery
- Desktop Customization
- Development
- E-Book Utilities
- Editors
- Education
- Email Utilities
- File Manager
- Games
- Graphics
- Internet
- Office
- Productivity
- Proxy
- Security
- Sharing Files
- Terminal
- Utilities
- Video
- Wiki software
- Others
Command Line Utilities
Desktop Environments
Display Managers
- Console
- Graphic
Window Managers
- Compositors
- Stacking window managers
- Tiling window managers
- Dynamic window managers

Linux News, Apps, and more ....
Reddit
Contributors
Guideline to Contribute
How to Contribute

Applications

Audio

For a more comprehensive/advanced/better categorized/... list of Linux audio software, you may want to click here

Airtime - The open broadcast software for scheduling and remote station management.
Ardour - Record, Edit, and Mix on Linux.
Audacious - An open source audio player that plays your music how you want it, without stealing away your computer's resources from other tasks.
Audacity - Free, open source, cross-platform software for recording and editing sounds.
Audio Recorder - Simple audio recorder available in an Ubuntu PPA.
Auryo - Unofficial multiplatform SoundCloud® app for your desktop.
beets - Beets is the media library management system for obsessive-compulsive music geeks.
Bitwig - DAW for music production
Cantata - Qt5 Graphical MPD (Music Player Daemon) Client for Linux, Windows, MacOS.
Clementine - Play numerous lossy and lossless audio formats.
Cmus - A small, fast and powerful console music player for Unix-like operating systems.
DeaDBeeF - DeaDBeeF is a modular audio player for GNU/Linux, BSD, OpenSolaris, macOS, and other UNIX-like systems.
Deepin Music - An application, developed by Deepin Technology Team, which focused on local music playing.
fre:ac - fre:ac is a free audio converter and CD ripper with support for various popular formats and encoders. It currently converts between MP3, MP4/M4A, WMA, Ogg Vorbis, FLAC, AAC, WAV and Bonk formats.
Gnormalize - An audio converter and CD ripper with ReplayGain normalization algorithms, a metadata (tag) editor and an audio player. It uses gtk2-perl under GNU/Linux.
Google Play Music Desktop Player - Unofficial but beautiful cross-platform desktop player for Google Play Music.
Gpodder - Media aggregator and podcast client.
GRadio - Radio software for Ubuntu Linux.
Helm - A software synthesizer, that runs either standalone, or as an LV2, VST, VST3 or AU plugin.
Hydrogen - Advanced drum machine for GNU/Linux.
ieaseMusic - iEaseMusic is a multiplatform program built in electron for listening to NetEase Music.
K3b - The CD/DVD Kreator for Linux, optimized for KDE.
Kid3Qt - Edit tags of multiple files, e.g. the artist, album, year and genre of all mp3 files of an album.
KxStudio - A collection of applications and plugins for professional audio production.
Libretime - The open broadcast software for scheduling and remote station management; forked from Airtime.
LMMS - Making music on your PC by creating melodies and beats, synthesizing and mixing sounds, arranging samples and much more.
Lollypop - A GNOME music playing application.
Lyricfier - A Spotify Lyrics alternative app.
Mellow Player - Cloud music integration for your desktop.
Mixxx - Free DJ software that gives you everything you need to perform live mixes; veritable alternative to Traktor.
Mopidy - An extensible music server written in Python.
Museeks - A simple, clean and cross-platform music player.
MuseScore - Create, play and print beautiful sheet music.
MusicBrainz Picard - Picard is a cross-platform music tagger written in Python.
MusixMatch - A Capable lyrics app with synchronized lyrics function.
Netease Music - A music player of Netease - a cloud music service in China.
Nuclear - An Electron-based, multiplatform music player app that streams from multiple sources.
Ocenaudio - A cross-platform, easy to use, fast and functional audio editor. It is the ideal software for people who need to edit and analyze audio files.
OSD Lyrics - Show lyrics with your favorite media player.
Parlatype - GNOME audio player for transcription.
Pithos - A native Pandora client for Linux.
PulseEffects - Limiter, compressor, reverberation, equalizer and auto volume effects for Pulseaudio applications.
Quod Libet - GTK+ music player written with huge libraries in mind. Supports search-based dynamic playlists, regular expressions, tagging, Replay Gain, podcasts & Internet radio.
RadioTray-NG - An Internet radio player for Linux.
Reaper - Audio Production without Limits.
Rhythmbox - Music player from GNOME.
Sayonara Player - A small, clear and fast audio player for Linux written in C++, supported by the Qt framework.
Sonata - A Music player that is designed to be an elegant and intuitive interface for your music collection via the Music Player Daemon (MPD).
Soundconverter - Leading audio file converter. Aims to be simple to use, and very fast.
SoundJuicer - CD Ripping tool for GNOME.
Soundnode - An opensource SoundCloud app for desktop.
Spotio - A Rdio-inspired light theme for the Spotify desktop app.
VCV Rack - An open-source virtual modular synthesizer.
Viper4Linux - An audio effect processor based on Viper4Android
Vocal - Podcast client for the modern desktop.
Yktoo Sound Switcher Indicator - Sound input/output selector indicator for Ubuntu/Unity.

Chat Clients

3rd party Client

All-in-One Client

Chat Client Utilities

Red Discord Bot - Red Discord Bot is a self-hosted music/chat/trivia bot that can run on a Raspberry Pi and a variety of OS's. It's extensible through a system of "Cogs" that allow it to do more.

IRC Client

Official Client

BeeBEEP - BeeBEEP is an open source, peer to peer, lan messenger. You can talk and share files with anyone inside your local area network. You don't need a server, just download, unzip and start it. Simple, fast and secure.
Dino - Clean and modern Jabber/XMPP chat client.
Discord - All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.
Element - A glossy Matrix collaboration client for the web.
Gitter - Gitter — Where developers come to talk. Gitter is designed to make community messaging, collaboration and discovery as smooth and simple as possible.
Jami - Chat. Talk. Share. Jami is a free and universal communication platform which preserves the users' privacy and freedoms. Formerly Ring.
Jitsi - Jitsi is a free and open source multiplatform voice, videoconferencing and instant messaging application for Windows, Linux, Mac OS X and Android.
qTox - A simple distributed, secure messenger with audio and video chat capabilities.
Signal - An end-to-end encrypted chat app that focuses on privacy for all. Say "hello" to privacy.
Skype - Skype keeps the world talking, for free.
Slack - real-time messaging, archiving and search for modern teams.
Telegram - A messaging app with a focus on speed and security, it's super fast, simple and free.
Viber - Viber for Linux lets you send free messages and make free calls to other Viber users on any device and network, in any country.
Weechat - WeeChat is a fast, light and extensible chat client.
Wire - Secure communication. Full privacy.

Data Backup and Recovery

Back In Time - A simple backup tool for Linux, inspired by "flyback project".
BorgBackup - A deduplicating backup program with compression and authenticated encryption.
bup - Very efficient backup system based on the git packfile format, providing fast incremental saves and global deduplication (among and within files, including virtual machine images).
Deja Dup - A simple backup tool with built-in encryption.
Duplicacy - Duplicacy is a new generation cross-platform cloud backup tool based on the idea of Lock-Free Deduplication. CLI version is free for personal use and is open-source, GUI and commercial use require licensing.
Duplicity - Duplicity does directory backups by producing encrypted tar-format volumes and uploading them to a remote or local file server.
FreeFileSync - FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the minimum amount of data needed.
Photorec - PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from hard disks, CD-ROMs, and lost pictures (thus the Photo Recovery name) from digital camera memory.
Qt-fsarchiver - qt-fsarchiver is a GUI for the fsarchiver program to save/restore partitions, folders and even the MBR/GPT table. The program is for systems based on Debian, OpenSuse or Fedora.
rclone - Rclone is a command line program to sync files and directories to and from various cloud storage solutions. It also allows encrypted backups.
restic - restic is a backup program that is fast, efficient and secure. It supports the three major operating systems (Linux, macOS, Windows) and a few smaller ones (FreeBSD, OpenBSD).
rsnapshot - rsnapshot is a command line utility based on rsync to make periodic snapshots of local/remote machines. The code makes extensive use of hard links whenever possible to greatly reduce the disk space required.
System Rescue CD - SystemRescueCd is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash.
Test Disk - TestDisk is powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software.
Timeshift - TimeShift is a system restore utility which takes incremental snapshots of the system using rsync and hard-links. These snapshots can be restored at a later date to undo all changes that were made to the system after the snapshot was taken. Snapshots can be taken manually or at regular intervals using scheduled jobs.

Desktop Customization

Desktop Themes

Desktop Widgets and Theme Utilities

Conky - Conky is a free, light-weight system monitor for X, that displays any kind of information on your desktop.
Gnome Extensions - Extensions for the Gnome Desktop Environment.
Gnome Look - A website that hosts a Large amounts of community created icons, shell themes, fonts, and many more assets that can be used to customize your Gnome desktop environment.
Hardcode Tray - This script fixes hardcoded tray icons in Linux by automatically detecting your default theme, the right icon size, the hard-coded applications, the right icons for each indicator and fix them.
Macbuntu - A transformation pack for making your desktop look like a macOS.
OCS store - Desktop app of openDesktop.org, which is one of the largest communities where developers and artists share applications, themes and other content.
Oomox theme generator - A Graphical application for generating different color variations of a Numix-based and Flat-Plat themes (GTK2, GTK3), Gnome-Colors and Archdroid icons.
Polybar - Fast and easy-to-use status bar.
Lemonbar - Super fast, lightweight, and mnml status bar for Linux.
Wpgtk - A universal theming software for all themes defined in text files, compatible with all terminals, with default themes for GTK2, GTK+, openbox and Tint2 that uses pywal as it's core for colorscheme generation.

Desktop Icon Packs

Development

Android

C++

Database

Cassandra - Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.
CouchDB - Seamless multi-master sync, that scales from Big Data to Mobile, with an Intuitive HTTP/JSON API and designed for Reliability.
DataGrip - DataGrip is a cross-platform IDE that is aimed at DBAs and developers working with SQL databases. It has built-in drivers that support DB2, Derby, H2, HSQLDB, MySQL, Oracle, PostgreSQL, SQL Server, Sqlite and Sybase.
DBeaver - A universal database client supporting multiple platforms and databases.
Kexi - Kexi is an open source visual database applications creator, a long-awaited competitor for programs like MS Access or Filemaker.
MariaDB - One of the most popular database servers. Made by the original developers of MySQL.
MongoDB - MongoDB is a free and open-source cross-platform document-oriented database program, uses JSON-like documents with schemas.
MyCLI - MyCLI is a command line interface for MySQL, MariaDB, and Percona with auto-completion and syntax highlighting.
MySQL - MySQL is the world's leading open source database thanks to its proven performance, reliability and ease-of-use. It is used by high profile web properties including Facebook, Twitter, YouTube, Yahoo! and many more.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs. MySQL Workbench provides data modeling, SQL development, and comprehensive administration tools for server configuration, user administration, backup, and much more.
OmniDB - Browser-based tool that visually create, manage, and view databases.
OracleDB - Object-relational database management system produced and marketed by Oracle Corporation, one of the most trusted and widely-used relational database engines.
Percona MongoDB - Percona Server for MongoDB provides all features and benefits of MongoDB Community Server.
Percona Monitoring - Percona Monitoring and Management (PMM) is a free and open-source platform for managing and monitoring MySQL, MariaDB and MongoDB performance. You can run PMM in your own environment for maximum security and reliability. It provides thorough time-based analysis for MySQL, MariaDB and MongoDB servers to ensure that your data works as efficiently as possible.
Percona MySQL - Percona Server for MySQL is a free, fully compatible, enhanced, open source drop-in replacement for MySQL that provides superior performance, scalability and instrumentation.
Percona XtraDB Cluster - Percona XtraDB Cluster is an active/active high availability and high scalability open source solution for MySQL clustering. It integrates Percona Server and Percona XtraBackup with the Codership Galera library of MySQL high availability solutions in a single package that enables you to create a cost-effective MySQL high availability cluster.
pgcli - Pgcli is a command line interface for Postgres with auto-completion and syntax highlighting.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system with more than 15 year development. PostgreSQL is not controlled by any corporation or other private entity and the source code is available free of charge.
Sqlite - SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.
Sqlite Browser - Visually create, manage, and view sqlite database files.

Golang

GoLand - GoLand is the codename for a new commercial IDE by JetBrains aimed at providing an ergonomic environment for Go development.
LiteIDE X - LiteIDE is a simple, open source, cross-platform Go IDE.

Java

Javascript

Webstorm - Powerful IDE for modern JavaScript development, made by JetBrains.

Microcomputer and Embedded Devices

Multiple Languages Support

PHP

PHPStorm - Lightning-smart and powerful PHP IDE from Jetbrain.

Python

PyCharm - Powerful IDE for Python.

Shell

Supporting Tools

Cscope - Cscope is a developer's tool for browsing source code. Although cmd-line application, it is nativelly integrated with Vim editor. It allows searching code for symbols, definitions, functions (called/calling), regex, files.
Devilbox - The devilbox is a modern and highly customisable dockerized PHP stack supporting full LAMP and MEAN and running on all major platforms. The main goal is to easily switch and combine any version required for local development.
Diffuse - Diffuse is a graphical tool for comparing and merging text files. It can retrieve files for comparison from Bazaar, CVS, Darcs, Git, Mercurial, Monotone, RCS, Subversion, and SVK repositories.
Fossil - Self-contained, distributed software configuration management system with integrated bug-tracking, wiki, technotes and web interface.
Gaphor - A simple and fast software and systems modeling tool.
Genymotion - Genymotion is a fast third-party emulator that can be used instead of the default Android emulator.
Giggle - Giggle is a graphical frontend for the git content tracker.
Gisto - Gisto is a code snippet manager that runs on GitHub Gists and adds additional features such as searching, tagging and sharing gists while including a rich code editor.
Git - Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
GitCola - Git Cola is a sleek and powerful graphical Git client. Written in Python and GPL-licensed.
Gitg - gitg is the GNOME GUI client to view git repositories.
GitKraken - The downright luxurious Git GUI client for Windows, Mac & Linux.
GitLab - GitLab is a web-based Git repository manager with wiki and issue tracking features.
Gitolite - Gitolite allows you to setup git hosting on a central server, with fine-grained access control and many more powerful features.
Heaptrack - a heap memory profiler for Linux
hors - instant coding answers via the command line
Insomnia - A simple, beautiful, and free REST API client.
Jupyter Notebook - An open source program that provides interactive data and scientific computing information across over 40 programming languages.
Meld - Meld is a visual diff and merge tool that helps you compare files, directories, and version controlled projects.
Mockingbot - Mockingbot is an easy-to-use prototyping tool.
Nemiver - Nemiver is a project to write a standalone graphical debugger that integrates well in the GNOME desktop environment.
Pencil - An open-source GUI prototyping tool that's available for ALL platforms.
Pick - Simple color picker.
Postman - Postman, allows a user to develop and test APIs quickly.
Rabbit VCS - RabbitVCS is a set of graphical tools written to provide simple and straightforward access to the version control systems you use.
SmartGit - SmartGit is a Git client with support for GitHub Pull Requests+Comments and SVN.
Sourcetrail - Sourcetrail is a free and open-source cross-platform source explorer that helps you get productive on unfamiliar source code.
StarUML - A sophisticated software modeler.
Uncrustify - Source Code Beautifier for C/C++, C#, ObjectiveC, D, Java, Pawn and VALA. See UniversalIndentGUI below.
UniversalIndentGUI - UniversalIndentGUI offers a live preview for setting the parameters of nearly any indenter.
Valgrind - Valgrind is a GPL'd system for debugging and profiling Linux programs.
Vershd - Vershd is the free for personal use effortless Git GUI for Windows, Mac, & Linux.
Wdiff - The GNU wdiff program is a front end to diff for comparing files on a word per word basis. It collects the diff output and uses it to produce a nicer display of word differences between the original files.
Wireshark - Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de facto (and often de jure) standard across many industries and educational institutions.
Zeal - Zeal is an offline documentation browser for software developers.

E-Book Utilities

Bookworm - A simple, focused eBook reader.
Buka - A program for EBook Management.
Calibre - Incredibly ugly but powerful software for ebook management and conversion.
Calibre-web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.
Easy Ebook Viewer - Modern GTK Python Ebook Reader app to easily read epub files.
Evince - Evince is a document viewer for multiple document formats. The goal of evince is to replace the multiple document viewers that exist on the GNOME Desktop with a single simple application.
FBReader - One of the most popular eReader apps.
Foxit - Foxit Reader 8.0—Award-winning PDF Reader.
Gnome Books - GNOME Books is application for listing, searching and reading eBooks.
K2pdfopt - K2pdfopt optimizes PDF/DJVU files for mobile e-readers (e.g. the Kindle) and smartphones.
llpp - A lightweight, fast, customizable and featureful PDF, EPUB, XPS and CBZ viewer with vi-like keybindings based on MuPDF.
Lucidor - Lucidor is a computer program for reading and handling e-books. Lucidor supports e-books in the EPUB file format, and catalogs in the OPDS format.
MasterPDF editor - Master PDF Editor a convenient and smart PDF editor for Linux.
Mcomix - GTK+ comic book viewer.
MuPDF - a lightweight PDF and XPS viewer.
Okular - Okular is a universal document viewer based developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, BSD, etc.
PDFsam - A desktop application to split, extract pages, rotate, mix and merge PDF files.
PDF Studio - An easy to use, full-featured PDF editing software that is a reliable alternative to Adobe Acrobat and provides all PDF functions needed at a fraction of the cost. PDF Studio maintains full compatibility with the PDF Standard.
Polar - Polar is a personal knowledge repository for PDF and web content supporting incremental reading and document annotation.
qpdf - qpdfview is a tabbed document viewer.
Sigil - Sigil is a multi-platform EPUB ebook editor.
Zathura - Zathura is a highly customizable and functional document viewer.

Editors

Atom - Hackable text editor for the 21st century.
Bluefish - Bluefish is a powerful editor targeted towards programmers and web developers, with many options to write websites, scripts and programming code.
Brackets - A modern text editor that understands web design.
Emacs - An extensible, customizable, free/libre text editor — and more.
Geany - Geany is a text editor using the GTK+ toolkit with basic features of an integrated development environment. It was developed to provide a small and fast IDE, which has only a few dependencies from other packages.
Gedit -gedit is the GNOME text editor. While aiming at simplicity and ease of use, gedit is a powerful general purpose text editor.
Gnome Builder - Powerful IDE for modern C / C++ / Bash / JavaScript development, made by Gnome Team. One of the best IDE for C/C++ development (Cmake integrated).
Kakoune - Kakoune code editor - Vim inspired. Faster as in less keystrokes. Multiple selections. Orthogonal design. Has a strong focus on interactivity.
Kate - Kate is a multi-document editor part of KDE since release 2.2.
Komodo Edit - Free and open source multilanguage development environment.
Lighttable - The next generation code editor! Support live coding.
Micro - Micro is a terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the full capabilities of modern terminals.
Nano - GNU Nano is a text editor which aims to introduce a simple interface and intuitive command options to console based text editing.
Neovim - Neovim is a fork of Vim aiming to improve user experience, plugins, and GUIs.
Spacemacs - A community-driven Emacs distribution.
SpaceVim - A community-driven modular vim distribution.
Sublime - A very capable text editor with advanced search capabilities, and many powerful plugins to improve its functionality.
Textadept - Minimalist text editor for programmers. Textadept is extensible with Lua programming language.
Vim -Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. It's useful whether you're already using vi or using a different editor.
VSCode - Visual Studio Code is a lightweight but powerful source code editor which runs on your desktop and is available for Windows, OS X and Linux. It comes with built-in support for JavaScript, TypeScript and Node.js and has a rich ecosystem of extensions for other languages (C++, C#, Python, PHP, Golang) and runtimes.
VSCodium - Binary releases of VS Code without MS branding/telemetry/licensing.

Education

Anki - Powerful, intelligent flash cards which makes remembering things easy.
Artha - Artha is a free cross-platform English thesaurus that works completely off-line and is based on WordNet.
BibleTime - BibleTime is a Bible study application based on the Sword library and Qt toolkit.
Celestia - The free space simulation that lets you explore our universe in three dimensions.
Chemtool - Chemtool is a small program for drawing chemical structures on Linux.
Epoptes - An open source computer lab management and monitoring tool.
GAP - A computer algebra system for computational discrete algebra with particular emphasis on computational group theory.
Gcompris - GCompris is a high quality educational software suite comprising of numerous activities for children aged 2 to 10.
Geogebra - The graphing calculator for functions, geometry, algebra, calculus, statistics and 3D mathematics.
Gnome-dictionary - A powerful dictionary for GNOME.
GNU Octave - GNU Octave is a scientific programming language, primarily intended for numerical computations, that is mostly compatible with MATLAB.
GNU Typist - ncurses-based free-software typing instructor.
GNUKhata - Open source accounting software.
Google Earth - Google Earth is a virtual globe, map and geographical information program.
GPeriodic - GPeriodic is a periodic table application for Linux.
KDE Edu Suite - Free Educational Software based on the KDE technologies.
Klavaro - A touch typing tutor very flexible, supporting customizable keyboard layouts. You can edit and save new or unknown keyboard layouts, as the basic course was designed to not depend on specific ones. Also, there are some charts about the learning process.
Ktouch - KTouch is a program to learn and practice touch typing.
MAPLE - Maple is math software that combines the world's most powerful math engine with an interface that makes it extremely easy to analyze, explore, visualize, and solve mathematical problems.
MapTiler - MapTiler generates zoomable raster maps from images in user-defined coordinate system.
Marble - Marble is a virtual globe and world atlas — your swiss army knife for maps.
MATLAB - The MATLAB platform is optimized for solving engineering and scientific problems. MATLAB helps you take your ideas beyond the desktop. You can run your analyses on larger data sets and scale up to clusters and clouds.
Maxima - Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, and much more.
Mendeley - Mendeley is a program for managing and sharing research papers, finding research data and collaborating online.
Moodle - Course management system for online learning.
OpenEuclid - OpenEuclide is a 2D geometry software: figures are defined dynamically by describing formal geometrical constraints.
OpenMapTiles - OpenMapTiles is a set of open-source tools for self-hosting of OpenStreetMaps in more than 50 languages. It provides both raster as well as vector tiles, WMS, WMTS, support for JavaScript viewers and mobile SDK.
OpenSIS - School Management Software that Increases Student Achievements & Teacher Performances.
PARI/GP - A computer algebra system for fast computations in number theory.
SageMath - A mathematical software with features covering many aspects of mathematics, including algebra, combinatorics, numerical mathematics, number theory, and calculus.
Scipy - SciPy is a Python-based ecosystem of open-source software for mathematics, science, and engineering.
Scratch - With Scratch, you can program your own interactive stories, games, and animations — and share your creations with others in the online community.
Stellarium - Stellarium is a free open source planetarium for your computer.
Sugar Desktop Environment - Sugar is a learning platform that reinvents how computers are used for education. Collaboration, reflection, and discovery are integrated directly into the user interface.
UGENE - UGENE is free open-source cross-platform integrated GUI-based bioinformatics software.
Veyon - Veyon is a computer management software for classrooms, it allows a teacher to control student computers and guide students over a computer network.

Email

aerc - aerc is an efficient, extensible email client that runs in the terminal. It features special support for git email workflows, reviewing patches, and processing HTML emails in a terminal-based browser.
Claws - Claws is an email client and news reader, featuring sophisticated interface, easy configuration, intuitive operation, abundant features and plugins, robustness and stability.
ElectronMail - ElectronMail is an Electron-based unofficial desktop client for ProtonMail and Tutanota end-to-end encrypted email providers.
Evolution - Evolution is a personal information management application that provides integrated mail, calendaring and address book functionality.
Geary - Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface.
Hiri - Hiri is a business focused desktop e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.
KMail - KMail is the email component of Kontact, the integrated personal information manager from KDE.
Mailnag - Mailnag is a daemon program that checks POP3 and IMAP servers for new mail.
Mailspring - A beautiful, fast and maintained fork of Nylas Mail (dead) by one of the original authors.
Sylpheed - Lightweight and user-friendly e-mail client.
Thunderbird - Thunderbird is a free email application that's easy to set up and customize and it's loaded with great features.
Trojita - A super fast desktop email client for Linux.
Vmail - Vim-like Gmail client.
Wmail - Gmail & Google Inbox unofficial desktop client for linux.

File Manager

Games

RTS

Turn Based Strategy

City Building Simulation

FPS

ChaosEsqueAnthology Disc 1 ChaosEsqueAnthology Disc 2 - A modification of Xonotic which included extended weapons, maps, vehicles, buildable buildings, mounted weapons, spell casting, monsters, player characters, textures, and game mode (such as colorwar (think liquidwar)).
Freedoom - Free version of the original Doom games, with newly created free-licensed assets.
OpenArena - Free and open-source clone of Quake III Arena, based on the realeased source code, with newly created assets.
Red Eclipse - Red Eclipse is a fun-filled new take on the first person arena shooter, which lends itself toward a balanced gameplay, with a general theme of agility in a variety of environments.
Urban Terror - A "Hollywood" tactical shooter - realism based, but the motto is "fun over realism".
Xonotic - Arena shooter inspired by Unreal Tournament and Quake.
Zandronum - Leading the way in newschool multiplayer Doom online.
Zdoom - ZDoom is a source port for the modern era, supporting current hardware and operating systems and sporting a vast array of user options.

RPG

Command Line

Miscellaneous

Engine Re-creations (require the actual game)

Gaming Applications

Machine Emulators

Dolphin Emulator - Dolphin is a GameCube / Wii emulator, allowing you to play games for these two platforms on PC with improvements.
Fuse - Fuse (the Free Unix Spectrum Emulator) is a ZX Spectrum emulator for Unix.
GNOME Video Arcade - GNOME Video Arcade is a simple Mame frontend for any freedesktop.org compliant desktop environment.
Higan - Higan is a multi-system emulator that supports emulating a huge number of different systems including: NES, SNES, GameBoy, GameBoy Color, Gameboy Advance, NEC PC Engine, Sega Master System, and more. Here is a guide to install it on Linux Higan Installation.
MAME - MAME is an Arcade Cabinet emulator that strives for accuracy, and can play a huge number of different arcade games.
nestopia - nestopia is a Nintendo Entertainment System/Famicon emulator.
qmc2 - QMC2 is the successor to QMamecat, it is a gui for MAME and a ROM manager.
Snes9x - Is a multiplatform Super Nintendo Entertainment System emulator that has gone through many incarnations, but is still being actively developed.
Stella - is an Atari 2600 Emulator that is multiplatform.
Visual Boy Advance-M - A Gameboy and Gameboy Advance Emulator that is still undergoing active development and can even emulate a system link between two gameboys.
ZSNES - A capable and commonly used Super Nintendo Entertainment System/Super Famicom emulator, many consider it the gold standard in SNES/Super Famicom emulation.

Graphics

Graphic Creation

Aseprite - Animated sprite editor & pixel art tool.
Blender - a free and open source complete 3D creation pipeline for artists and small teams.
Cinepaint - Open source deep paint software.
Gifcurry - Your open source video to GIF maker built with Haskell.
Gravit - Gravit Designer is a full featured free vector design app right at your fingertip.
Heron Animation - A free stop animation making program.
Inkscape - A powerful, free design tool for you , whether you are an illustrator, designer, web designer or just someone who needs to create some vector imagery.
Ipe - Ipe is a LaTeX powered drawing editor for creating figures and presentations in PDF format.
Karbon - An open source vector drawing program.
Knotter - A Program designed solely to help design and create Celtic Knots.
Krita - Open Source Software for Concept Artists, Digital Painters, and Illustrators.
Mypaint - Mypaint is a paint program for use with graphics tablets.
Open DVD Producer - A modern, open source cross platform software to produce DVD images.
Pinta - Pinta is a free, open source program for drawing and image editing.
StopMotion - Linux Stopmotion is a Free Open Source application to create stop-motion animations. It helps you capture and edit the frames of your animation and export them as a single file.
Synfig Studio - Open-source 2D animation software.
Scan Tailor - Scan Tailor is an interactive post-processing tool for scanned pages. For a tutorial on how to use it, consult its User Guide.
Sweet Home 3D - House interior and exterior designer with 3D preview, free model database, virtual visits and useful repository of plugins.
Vectr - Vectr is a free graphics software used to create vector graphics easily and intuitively. It's a simple yet powerful web and desktop cross-platform tool to bring your designs into reality.
Xara Extreme - Xara Xtreme for Linux is a powerful, general purpose graphics program for Unix platforms including Linux, FreeBSD.
yEd Graph Editor - yEd is a powerful desktop application that can be used to quickly and effectively generate high-quality diagrams. Create diagrams manually, or import your external data for analysis. Our automatic layout algorithms arrange even large data sets with just the press of a button.

Image Editor

Image Management

Miscellaneous

PSD, Sketch Inspection

Avocode - Avocode - Share and inspect Photoshop and Sketch designs in a heart beat.

Screen Recorder

Screenshot

Streaming

ReadyMedia - Formerly known as MiniDLNA, ReadyMedia is a is a simple, lightweight media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. The MiniDNLA daemon serves media files (music, pictures, and video) to clients on a network such as smartphones, portable media players, televisions, other computers and some gaming systems.

Video editor

Cinelerra-cv - Professional video editing and compositing environment.
Davinci Resolve - Revolutionary tools for editing, color correction, audio post and now visual effects, all in a single application.
Flowblade - A multitrack non-linear video editor for Linux.
Kdenlive - Kdenlive is a Non-Linear Video Editor, which is much more powerful than beginners' (linear) editors.
Lightworks - Professional non-linear video editing program with a free version available.
Olive - Olive is a free non-linear video editor aiming to provide a fully-featured alternative to high-end professional video editing software.
OpenShot - OpenShot is a free, simple-to-use, feature-rich video editor for Linux.
Pitivi - A free video editor with a beautiful and intuitive user interface, a clean codebase and a fantastic community.
Shotcut - Shotcut is a free, open source, cross-platform video editor with support for hundreds of audio and video formats and codecs and a sleek, intuitive interface.
Vidcutter - Cross-platform Qt5 based app for quick and easy video trimming/splitting and merging/joining for simple quick edits.

Internet

Browser

Supportive Tool

Web Service Client

Office

Accounting

Office Suites

LaTeX

Gummi gtk2|gtk3 - Simple latex editor with templates, spell check, and wizards.
GNOME LaTeX - GNOME LaTeX is a LaTeX editor for the GNOME desktop.
LyX - Mature document editor that renders into LaTeX.
TexLive - TeX Live is an easy way to get up and running with the TeX document production system.
TeXmacs - Free scientific text editor, inspired by TeX and GNU Emacs. WYSIWYG editor and CAS-interface.
Texmaker - Free cross-platform LaTeX editor.
TeXstudio - TeXstudio's goal is to make writing LaTeX documents as easy and comfortable as possible.
TeXworks - TeXworks is an environment for authoring TeX (LaTeX, ConTeXt, etc) documents, with a Unicode-based, TeX-aware editor, integrated PDF viewer, and a clean, simple interface accessible to casual and non-technical users.

Markdown

Novel Writing

Productivity

Automation

Dock

Local Search

Miscellaneous

Note Taking

Time and Task

Alarm Clock - Alarm Clock is a fully-featured alarm clock for your GNOME panel or equivalent.
calcurse - A calendar and scheduling application for the command line.
California - Complete Calendar app replacement which uses natural language for creating events.
Everdo - TODO list and Getting Things Done® app for all platforms. Beautiful, powerful, not SaaS, free version available.
Gnome Pomodoro - A full-featured pomodoro timer for GNOME.
Go For It - Go For It! is a simple and stylish productivity app, featuring a to-do list, merged with a timer that keeps your focus on the current task.
Pomodone App - PomoDoneApp is the easiest way to track your workflow using Pomodoro technique®, on top of your current task management service.
RSIBreak - RSIBreak takes care of your health and regularly breaks your work to avoid repetitive strain injury.
Super Productivity - The simple free flexible ToDo List / Time Tracker / personal Jira and Github Task Manager.
Taskade - Real-time organization and collaboration tool for getting things done. Taskade is a unified workspace for team tasks, notes, with integrated video chat available cross-platform and free to use.
Taskbook - Tasks, boards & notes for the command-line habitat.
TaskWarrior - Taskwarrior is Free and Open Source Software that manages your TODO list from the command line.
Todo.txt - todo.txt is a set of focused editors which help you manage your tasks with as few keystrokes and taps possible.
Todoist - Unofficial client of Todoist, the cross-platform to-do manager with mobile apps, great UI and has some optional premium features.

Widget and Indicator

Proxy

Security

Boot Integrity

Mortar - Mortar allows for convenient automatic unlocking of LUKS-encrypted disks without sacrificing security through the use of Secureboot and TPM validation. Mortar aims to be distribution-agnostic.

Compartmentalization

Firewall

Password Manager

Other

ClamAV - ClamAV is an open source antivirus engine for detecting trojans, viruses, malware & other malicious threats.
Fail2ban - Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc.
FireQoS - Linux QoS (tc) manager for humans.
GnuPG - GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories.
IPrange - A very fast command line utility for processing IP lists (merge, compare, exclude, etc).
keysniffer - Linux kernel mode debugfs keylogger.
Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
OpenSSH - OpenSSH Secure Shell Server and Client
OWASP ZAP - OWASP Zed Attack Proxy (ZAP) web security testing tool.
Seahorse - A Gnome frontend for GnuPG.
Sirikali - A Qt/C++ GUI front end to cryfs,gocryptfs,securefs,ecryptfs and encfs.
Tcpdump - TCP Debugging/Capture Tool.
Uktools - Keep your system up-to-date with last kernel available. Possibility to clean old kernel too.
Update-IPsets - A manager for all cybercrime IP feeds that can download, convert and install netfilter ipsets.

Sharing Files

aria2 - aria2 is a lightweight multi-protocol & multi-source command-line download utility.
croc - Easily and securely send things from one computer to another.
CrossFTP - CrossFTP makes it extremely simple to manage the FTP related tasks.
D-lan - A free LAN file sharing software.
Deluge - Deluge is a lightweight, Free Software, cross-platform BitTorrent client.
Dropbox - Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily.
Filezilla - The free FTP solution.
Flareget - Full featured, multi-threaded download manager and accelerator.
KTorrent - KTorrent is a BitTorrent application by KDE which allows you to download files using the BitTorrent protocol.
Mega - Easy automated syncing between your computers and your MEGA cloud drive.
Meiga - A tool that makes possible to share selected local directories via web.
nextCloud - an actively maintained fork of ownCloud, a suite of client-server software for creating and using file hosting services.
NitroShare - Cross-Platform network file transfer application.
OnionShare - Securely and anonymously share a file of any size.
ownCloud - The goal of ownCloud is to give you access to your files wherever you are.
PushBullet - Pushbullet connects your devices, making them feel like one.
PushBullet for desktop - The missing Desktop application for Pushbullet.
qBittorent - The qBittorrent project aims to provide a Free Software alternative to µTorrent.
Quazaa - A cross platform multi-network peer-to-peer (P2P) file-sharing client.
Seafile - Seafile is an enterprise file hosting platform with high reliability and performance. Put files on your own server. Sync and share files across different devices, or access all the files as a virtual disk.
SpiderOak - Real-time collaboration for teams and businesses that care about privacy.
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized.
Teamviewer - PC remote control/remote access software, free for personal use.
Tixati - Freeware, advanced featured torrent client, a web user interface is included.
Transmission - Simple, lightweight, multi-platform torrent client.
Transmission Remote GUI - Transmission Remote GUI is a feature rich cross platform front-end to remotely control a Transmission Bit-Torrent client daemon via its RPC protocol.
uGet - A download manager that can monitor the clipboard for downloadable links, and can create a list of downloads, and run them in parallel.
Vuze - Bittorrent Client is an end-to-end software application for all your torrent needs.
Web Torrent Desktop - Web Torrent Desktop is for streaming torrents which connects to both BitTorrent and WebTorrent peers.
Wormhole - get arbitrary-sized files and directories (or short pieces of text) from one computer to another safely.

Terminal

Alacritty - A cross-platform, GPU-accelerated terminal emulator.
Cool Retro Term - A good looking terminal that mimicks the old cathode display.
DBAN - Delete information stored on hard disk drives (HDDs) in PC laptops, desktops or servers.
eDEX-UI - eDEX-UI is a fullscreen, cross-platform terminal emulator and system monitor that looks and feels like a sci-fi computer interface.
GnomeTerminal - A widely preinstalled terminal emulator in Linux world.
Guake - Guake is a top-down terminal for Gnome.
Hyper - A terminal built on web technologies.
Kermit - A VTE-based, simple and froggy terminal emulator.
Kitty - Cross-platform, fast, feature full, OpenGL based terminal emulator.
Konsole - An alternative terminal emulator for KDE desktop environment.
RXVT - A terminal emulator for X11, a popular replacement for the standard 'xterm'.
RXVT-Unicode - rxvt-unicode is a fork of the well known terminal emulator.
Sakura - Simple but powerful libvte based terminal emulator, supporting utf-8 and input methods as provided by gtk+ and pango libraries.
st - st is a simple terminal implementation for X.
Terminator - Feature filled terminal emulator that supports tabs and grids.
Terminology - The pretty and lightweight terminal from the Enlightenment Desktop, it's highly configurable, it works in X11, under a Wayland compositor and even directly in the framebuffer on Linux. Replace your boring text-mode VT with a graphical one that requires no display system.
Terminus - modern, highly configurable terminal app based on web technologies.
Termit - Simple terminal emulator based on vte library, extensible via Lua.
Termite - A keyboard-centric VTE-based terminal, aimed at use within a window manager with tiling and/or tabbing support.
Termius - cross-platform terminal with built-in SSH and Telnet.
Tilda - A Gtk based drop down terminal for Linux and Unix.
Tilix - A tiling terminal emulator for Linux using GTK+ 3.
Tmux - It lets you switch easily between several programs in one terminal, detach them (they keep running in the background) and reattach them to a different terminal. And do a lot more.
Twin - Fast, lightweight text-mode window environment with mouse support. Enables multiple terminals in a single Linux console, terminal or X11 window. It can be detached (keeps running in background) and reattached to a different console, terminal or X11 server. Works on Linux, Mac OS X and BSD.
Upterm - Upterm (formerly Black Screen) is an IDE in the world of terminals. Strictly speaking, it's both a terminal emulator and an interactive shell based on Electron.
Visidata - A terminal spreadsheet multitool for discovering and arranging data.
Xterm - The Xterm program is a terminal emulator for the X Window System. It provides DEC VT102 and Tektronix 4014 compatible terminals for programs that can't use the window system directly.
Yakuake - A Quake-style terminal emulator based on KDE Konsole technology.

Utilities

Disk Utilities

System Maintenance

System Monitoring

Other

Alien Package Converter - Package converter. Converts between RPM, DPKG, SLP, and TGZ package formats.
Angry IP Scanner - Fast and friendly network scanner.
antimicro - Bind controller button presses and joystick movement to keyboard and mouse actions with an intuitive GUI. Allows saving profiles into files.
Cheat - Cheat allows you to create and view interactive cheatsheets on the command-line.
Convertall - A program that can convert many units of measurement to other units.
Curlew - A GTK media converter for the GNOME desktop.
dmenu - dmenu is a dynamic menu for X, originally designed for dwm. It manages large numbers of user-defined menu items efficiently.
Droidcam - DroidCam turns your Android device into a wireless webcam for your PC.
EasyStroke - Easystroke is a gesture-recognition application for X11.
Emoji Keyboard - Virtual keyboard-like emoji picker for Linux.
FreeRDP - FreeRDP is a free implementation of the Remote Desktop Protocol (RDP).
GnomePie - the circular app launcher for Linux desktops.
Gramps - Research, organize and share your family tree with Gramps.
KDE-Connect - A tool, that allows one to integrate the Linux desktop with an Android smartphone and can be used to send files to and from the phone and the linux desktop, use the phone as a trackpad, control the desktop media player using the phone, and lots more.
Keynav - Keynav is a piece of an on-going experiment to make pointer-driven interfaces easier and faster for users to operate. It lets you move the pointer quickly to most points on the screen with only a few keystrokes.
Komorebi - Komorebi is a background manager for all Linux platforms, provides fully customizable backgrounds that can be tweaked at any time.
Mosh - Mosh is a Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keystrokes.
Nativefier - Make any web page a desktop application.
PeaExtractor A utility designed to unzip files and be as frictionless as possible, and easy to use as possible.
Peazip - A utility to unzip any of a huge variety of compression formats.
Pi-Hole - Network-wide ad blocking via your own Linux hardware, using DNS filtering and re-direction Pi-Hole can block ads on a whole network, so Smartphones and Game Consoles can benefit from it in addition to computers.
PlexyDesk - Plexydesk supports multiple widget workspaces/desktops on Linux.
Powertop - A tool that can help diagnose issues with power consumption in Linux.
Pulse Audio - Improve Linux Audio with customized Profiles.
Remmina - A feature-rich remote desktop application for Linux and other UNIXes.
rofi - A window switcher, Application launcher and dmenu replacement.
scrcpy - Display and control your Android device.
Sushi - Sushi is a quick previewer for Nautilus, the GNOME desktop file manager.
TightVNC - A Free, Lightweight, Fast and Reliable Remote Control / Remote Desktop Software.
TLP - An application that can help optimize battery life on Linux.
TMSU - TMSU lets you tags your files and then access them through a nifty virtual filesystem from any other application.
Trimage - A cross-platform tool for losslessly optimizing PNG and JPG files.
Ubunsys - An application designed to allow you to change in-depth system features without the command line.
ULauncher - An application launcher for Linux.
USB network gate - Allows you to share USB ports over a Network on Linux.
Variety - Variety is an open-source wallpaper changer for Linux, packed with great features, yet slim and easy to use.
Workrave - A program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
Xtreme Download Manager - A good download manager with fresh UI for Linux.

Video

Bomi Player - A powerful and easy-to-use multimedia player.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share the fun with others.
FFmpeg - FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Kodi - An award-winning free and open source (GPL) software media center for playing videos, music, pictures, games, and more.
Miro - Free, and open video, music and internet TV application; it brings video channels from thousands of sources and has more free HD than any other platform.
Movie Monad - A free and simple to use video player made with Haskell.
MPlayer - MPlayer is a movie player which runs on many systems, play any kind of videos.
MPV - A free, open source, and cross-platform media player.
SMPlayer - Free Media Player with built-in codecs. Play all audio and video formats.
SVP - SVP allows you to watch any video on your desktop computer using frame interpolation as it is available on high-end TVs and projectors.
VLC - VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.

Wiki software

Others

Command Line Utilities

Buku - A Command line bookmark manager.
broot - A new way to see and navigate directory trees.
Cloc - Count Lines of Code: cloc counts blank lines, comment lines, and physical lines of source code in many programming languages.
Color LS - Color Ls is a Ruby Gem that spices up the ls command and shows more visually than ls does without additional commands.
curseradio - Command line radio player.
Daily Reddit Wallpaper - Change your wallpaper to the most upvoted image of the day from /r/wallpapers or any other subreddit on system startup.
ddgr - DuckDuckGo from the command line.
exa - exa is a modern replacement for ls.
Fishfry - replaces fish history with a history tailored to pentesters for efficiency and newbie pentesters for learning.
fzf - A general-purpose command-line fuzzy finder with interactive filter and preview feature for things like files, command history, git commits, hostnames, etc.
gallery-dl - Command-line program to download image galleries and collections from pixiv, exhentai, danbooru and more.
Gkill - An interactive process killer for Linux.
Glances - Glances is a system monitoring terminal application that shows you your disk usage, ram usage, and cpu usage in a very friendly way using the Ncurses programming library. It is tolerant to windows resizing, and very low on system ram usage.
Googler - A program that can Google anything right in the command line.
gtop - A system monitoring dashboard for terminal. Think 'graphical top', with bar charts, line graphs, pie charts, and etc.
htop - An interactive process viewer for Unix systems with improved features and user experience.
hyperfine - A command-line benchmarking tool.
kmon - Linux Kernel Manager and Activity Monitor.
korkut - Quick and simple image processing at the command line.
Liquidprompt - A full-featured & carefully designed adaptive prompt for Bash & Zsh.
lsd - The next gen ls command.
mps-youtube - A terminal based program for searching, streaming and downloading music. This implementation uses YouTube as a source of content and can play and download video as well as audio.
Mutt - A terminal based mail client with vim keybindings and great flexibility and customizability.
Neofetch - A fast, highly customizable system info script that supports Linux, MacOS, iOS, BSD, Solaris, Android, Haiku, GNU Hurd, MINIX, AIX and Windows.
Newsboat - Newsboat is a fork of Newsbeuter, an RSS/Atom feed reader for the text console.
Onefetch - Git repository summary on your terminal.
PathPicker - A command that lets you select files that were output from a previous command in the command line, so you can then run another command or edit them.
pywal - pywal is a script that takes an image (or a directory of images), generates a colorscheme (using imagemagick) and then changes all of your open terminal's colors to the new colorscheme on the fly, allowing you to have your terminal colors change with your wallpaper, or other criteria.
Rainbow Stream - A smart and nice Twitter client on terminal written in Python.
RTV - Browse Reddit from your terminal .
s-tui - s-tui is an UI for monitoring your computer's CPU temperature, frequency and utilization in a graphical way from the terminal.
The Silver Searcher / Ag - A code-searching tool similar to ack, but faster.
TheFuck - Magnificent app which corrects your previous console command.
Tmux - It lets you switch easily between several programs in one terminal, detach them (they keep running in the background) and reattach them to a different terminal. And do a lot more.
Top 10 command line tools
translate-shell - Command-line translator using Google Translate, Bing Translator, Yandex.Translate, etc.
undistract-me - A command line program that plays a sound or sends a notification when a long command has finished running in the command line.
vagrant - Vagrant is a tool for building and distributing development environments.
wicd-curses - Command line WiFi connection manager.
xsv - A fast CSV command line toolkit written in Rust.
youtube-dl - youtube-dl is a command-line program to download videos from YouTube.com and a few more sites. It requires the Python interpreter (2.6, 2.7, or 3.2+), and it is not platform specific.
z.lua - A new cd command that helps you navigate faster by learning your habits.
zoxide - A better way to navigate your filesystem written in Rust.

Desktop Environments

Display manager

Console

Graphic

Window Managers

Compositors

Stacking window managers

Tiling window managers

Dynamic window managers

Linux News, Apps, and more:

9To5Linux
AllTop
ArchiveOS
Dedoimedo
DistroTube
DistroWatch
FAMILUG
GamingOnLinux
How-To Geek
ITSFOSS
Lemmy c/Linux
Liliputing
Linoxide
LinuxHandbook
LinuxLinks
Linux official
LinuxSmartphones
LinuxStans
Linux Timeline
LWN
Make use of
Nixcraft forum
Nixcraft
Noobslab
OMG!Ubuntu
Open Source
Phoronix
Repology
Slashdot
TecMint
Ubuntu Geek
UbuntuHandbook
Unixmen
Webupd8

Arch Linux
CentOS
Fedora
Linux
Open Source
Ubuntu
Unix Porn
Linux Kernel
Linux Gaming

Contributors

Thanks to All of Github contributors for making this list possible and Everyone @ reddit.com/r/linux & reddit.com/r/ubuntu & vozforums.com & other forums for many suggestions and compliments ...

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Guidelines to contribute

Simply put the name of the application in the list. Link to its homepage or a guide on how to install it. Also write a short description for the application + add icon. Make sure it is put under the appropriate topic. If the application doesn't fit in any existing topic, make a new one for it. Ensure everything is alphabetically sorted.

Unsure how to contribute?

How to Use Github
How to Git from the Command Line
What is Markdown? - Markdown is the writing method used to create this list, if you want to know how to format properly, it's best that you learn how to use Github Markdown.
Alternative Markdown Guide:

Items marked with are open-source software and link to the source code. Items marked with are nonfree (as in nonfree beer) and may cost money to use.

*Author's note: Recently, I received feedback from you about the quality of some of the applications on this list. I have tested a lot of these, but not all. If you have any problems with the apps, please: -> head to the dev page (if available) -> make an issue for the dev there -> make an issue here so that I can consider whether I should remove the app from the list. Remember : Every piece of software has it's own merits, so there will never be anything like "best app" or "selective list" here, thank you.*

License

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.