Cost / License
- Freemium
- Open Source (MIT)
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
- Raspberry Pi
- Cloudron
- Chocolatey








Unofficial alternative for ad-free YouTube with SponsorBlock, background playback, auto-repeat, dislike counts, and offline downloads using custom patches.



Extensible text editor with UTF-8 support, syntax highlighting for many languages, remote file editing, customizable interface, and plugin integration.




Kubuntu is an official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel.


Stack Overflow, part of Stack Exchange, is a free, community-driven, reputation-based Q & A site for computer programmers. No membership is required to ask questions or provide answers to questions by others.

PostgreSQL is a powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.


IntelliJ IDEA is the JetBrains IDE for pro development in Java and Kotlin. Built for your comfort, it unlocks productivity, ensures quality code, supports cutting-edge tech, and protects your privacy.




[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]




Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.




Ladybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.


Share files, host sites, and chat securely and anonymously via Tor using direct, password-protected onion services. No third-party servers or metadata stored.




Censorship-resistant peer-to-peer messaging that bypasses centralized servers. Connect via Bluetooth, Wi-Fi or Tor, with privacy built-in.




YunoHost is a Debian GNU/Linux based distribution packaged with free software that automates the installation of a personal web server. The purpose of YunoHost is to allow users to easily host their own web services by enabling a simple point-and-click web interface for...



Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using.


Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .




Displays PDF, Postscript, DjVu, comic books, TIFF, DVI, XPS formats, supports editing PDF annotations, remembers individual zoom and position settings, includes search.








Access a full Unix environment on Android without rooting. Automate tasks with command-line tools, ssh, and package installs via Apt.



ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.


Comprehensive DAW for digital audio tasks, featuring advanced composition, arrangement, and editing tools, tailored for music professionals.




Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.




Open source community and software directory offering code hosting, analytics, version control, project management, and access to over 50,000 business titles.

GNU Emacs is an extensible, customizable text editor—and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. The features of GNU Emacs include:




OpenSSH is a free version of the SSH connectivity tools that technical users rely on. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.

