05k0nz's legacy is safe
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Open source library for N64 development
3D game engine/framework in C, with Luajit and Python bindings now
All Google Snake mods combined into one
Fully async, multithreaded, predictive, open source, 3.01 reach
General Purpose Engine for Graphic Adventures.
Ad free open source TV guide for more than 1000 channels.
A planetarium software that shows a 3D simulation of the night sky
Various things for PSX (PlayStation 1, PSone)
A cross-platform port of Hexen II game.
Full featured MUD server with all the trimmings.
GPS track editor for editing tracks and planning (multiple) day tours
A Rust framework for building Minecraft servers
Console based rcon client for minecraft servers.
A Python program/library aimed at GD-ROM image files.
Low-Level Game Engine for Retro Platforms
Build Cross-platform Applications
scriptable game engine with built-in support for 2D graphics and sound
Web based Game server control panel
3D .NET engine for Windows, Linux, Mac