RetroArch is a frontend for emulators, game engines and media players.
A dead simple 2D game library for Go
JavaScript framework to build game engines, games, emulators and apps
Cerberus Content Management System
Web IDE in single HTML file
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
2D Game Engine
A cross-platform interpreter for many point-and-click adventure games
Pye - Javascript Engine For Drawing Fast, Fluid and Dynamic Pie Charts
DRINKS is a set of smart web-based widgets.
In The Cloud Computing On Java
A compiler for creating games on MOS-65xx-based computers