A completely free, open-source, 2D game engine
Open source library for N64 development
Gideros Release version
CGL (C Game Library) is a multipurpose library
Naev is a 2d action/rpg space game, action, rpg and simulation
Go bindings for raylib, a simple and easy-to-use library
A free and open development kit for the Sega Mega Drive
Making multi-player gamedev simpler since 2017
SDL based generic 2D game engine
SDL library for Android, including several games.
A 2D multiplayer space shooter game
realistic driving simulation + functions for 2D/3D graphics
Orx: Data-Driven Game Engine
Cooperative multiplayer graphical RPG and adventure game
Write programs in assembly that battle each other in Corewar
ProStack - a platform for image processing and analysis
Machine graph audio engine for computer games
Simple and flexible programming language for applications development
High-speed, 3D-friendly, TightVNC-compatible remote desktop software