Reference library for supporting the Portable Network Graphics (PNG) format.
3D game engine (more powerful redesign of the Cube engine) and FPS game
The Animated Portable Network Graphics (APNG) is an unofficial extension of the Portable Network Graphics (PNG) format. APNG patch provides APNG support to libpng.
CxImage is a C++ image processing library. It can load, save, display, transform images in a very simple and fast way, with transparency, multiple layers and selections, support for BMP GIF JPG PNG MNG TIF ICO TGA PCX J2K JBG RAS PNM RAW PSD
ClayTek is a 3D games library based on SDL and OpenGL. It is being developed simultaneously with an Editor that uses FLTK, and is being developed under linux (Slack 9.0).
A fork of Sauerbraten/Cube2 (sauerbraten.org) with several multiplayer modes, online map editing, dynamic mapmodel physics, enhanced particle effects, unique weapons and powerups, and more. This project is currently not under active development.