Build cross-platform desktop apps with JavaScript, HTML, and CSS

Godot Engine – Multi-platform 2D and 3D game engine

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

qBittorrent BitTorrent client

Compatibility tool for Steam Play based on Wine and additional components

A monitor of resources

Lovely console emulator package for Windows

Free and Open Source Reverse Engineering Platform powered by rizin

Mobile Shell

Flexible level editor

AutoHotkey - macro-creation and automation-oriented scripting utility for Windows.

The 2013 edition of the Source SDK

Transparent file encryption in git

Light-weight system monitor for X, Wayland, and other things, too

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

High-performance regular expression matching library

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

rTorrent BitTorrent client

Half-Life 1 engine based games

cherrytree

Linux 'net top' tool

MIT Licensed Open Source version of Torque 3D from GarageGames

Snort++

Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung Galaxy devices.

Wallpaper Engine backgrounds for Linux!

Hex-Rays Decompiler plugin for better code navigation

A Firefox extension that demonstrates HTTP session hijacking attacks.

Wireless keystroke injection attack platform