Markdown editor for Mac, Windows, and Linux with real-time preview and distraction-free interface. Open source, free on GitHub, supports various Markdown specs.




Markdown editor for Mac, Windows, and Linux with real-time preview and distraction-free interface. Open source, free on GitHub, supports various Markdown specs.




Thunar is a modern file manager for the Xfce Desktop Environment. Thunar has been designed from the ground up to be fast and easy-to-use. Its user interface is clean, intuitive, and customizable. Thunar is fast and responsive with a good start up time and directory load time.



YaCy is a free search engine that anyone can use to build a search portal for their intranet or to help search the public internet. When contributing to the world-wide peer network, the scale of YaCy is limited only by the number of users in the world and can index billions of...




A cross-platform, peer-to-peer screen-sharing tool that prioritizes privacy with WebRTC, enabling collaboration with multiple cursors without an account.




Centralized platform to plan tasks, align with goals, visualize workflows, and get insights through real-time data, enhancing team collaboration.








This is a project to port Android open source project to x86 platform, formerly known as "patch hosting for Android x86 support". The original plan is to host different patches for Android x86 support from open source community.




Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.



Transform data with an open-source interface using relational databases and Python engines. Collaborate in real-time with custom permissions for security.




Web-based interface for Unix-like and Windows system administration with modules for user management, service configuration, security controls, and server monitoring.




Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.




Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase that you can write on paper or learn by heart.

A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.



Vector design app for UI, UX, and web work, supporting native editing of .sketch files, real-time collaboration, AI features, and asset export in multiple formats.




Xonotic is a free (GPL), fast-paced first-person multiplayer shooter that works on Windows, OS X and Linux. The project is geared towards providing addictive arena shooter gameplay which is all spawned and driven by the community itself.




Cross-platform open source app that reminds you to take microbreaks and longer breaks, with customizable intervals, durations, sounds, color schemes, and strict mode.




OpenBoard is a cross-platform (Linux / Windows / macOS) interactive whiteboard application. It is currently maintained by the Education Department (DIP) of the Canton of Geneva in Switzerland.





Open source web-based reader with AJAX, offering privacy control through self-hosting. Features include aggregation, keyboard shortcuts, and podcast support.


Butterfly is a note-taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.




K3b is a CD and DVD authoring application for the KDE desktop environment for Unix-like computer operating systems. It provides a graphical user interface to perform most CD/DVD burning tasks like creating an Audio CD from a set of audio files or copying a CD/DVD, as well as...

Huginn is a system for building agents that perform automated tasks for you online. They can read the web, watch for events, and take actions on your behalf. Huginn's Agents create and consume events, propagating them along a directed graph.












SuperTux is an open-source classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games. Instead of Mario, the hero in this game is Tux, the mascot of the Linux kernel.



