a general purpose tile map editor. It's built to be easy to use, yet capable of catering to a host of varying game engines, whether your game is an RPG, platformer or Breakout clone.
a framework for developing games. Open source extendable, object-oriented game engine written in C++engine with cross-platform plugin-based architecture.
a free / freeware open source tool for 2-D game development. It is designed for the Windows 9x/DirectX platform, and targeted at people spanning a range of skill levels.
includes sound effects, music, a complete 3D engine, font rendering, a simple Windowing library, a game scripting language, a GUI, networking, 3D math library and a collection of handy utility functions.
a framework for tile-based (isometric) RTS games. It provides the basic entities for an RTS game with implemented SDL and GRP components. As a proof-of-concept, a Starcraft clone is being implemented with it.
A complete game framework, editor and toolset for the creation of PC multiplayer action games. It is the result of several years of development effort at spanish developer Tragnarion Studios, and is based in nebula2, the open-source 3D engine from Radon Labs.
a complete development utility for graphics of tile-based games. The application contains a bitmap editor for creating tiles and sprites and a map editor for designing level maps.
a 2D fighting game in the same style as Double Dragon and TMNT. Paintown is very extensible and comes with editors to help design new levels and animations.
a server for chess players to play against each other over the Internet. FICS supports tournaments, lectures, live game relays, chess variants (Suicide, Bughouse, Crazyhouse, Atomic) and lots more.
a open game platform with easy-to-use creation tools. Games created for Mokoi are platform agnostic, giving them the ability to be played on any device.
an interpreted computer language originally designed for programming text adventure games. Its migration to the web now allows the author to create a much wider variety of graphical and non-graphical programs, all of which can be used online using nothing