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

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

Protocol Buffers - Google's data interchange format

ClickHouse® is a real-time analytics database management system

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.

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

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

Compatibility tool for Steam Play based on Wine and additional components

FlatBuffers: Memory Efficient Serialization Library

A virtual machine for executing programs written in Hack.

DOOM Open Source Release

UPX - the Ultimate Packer for eXecutables

Ceph is a distributed object, block, and file storage platform

A fast and easy-to-use status bar

Flexible level editor

Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

mawww's experiment for a better code editor

Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64

JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.

An open source, turn-based strategy game with a high fantasy theme.

Open-source engine for Heroes of Might and Magic III

rTorrent BitTorrent client

An RSS/Atom feed reader for text terminals

Code beautifier

Virtual modular synthesizer plugin

Fallout for modern operating systems

Fallout 2 for modern operating systems

A Fasttracker II compatible music editor

Open reimplementation of Might and Magic 6 7 8 game engine

Odin 2 Synthesizer Plugin