DeSmuME is a Nintendo DS emulator
DeSmuME is the most seasoned open source Nintendo DS emulator. It sports tools designed for hackers, speedrunners, youtubers, and casual gamers. Homebrew programs are supported and can even be debugged through GDB. The Windows and OSX versions are both relatively feature rich, and there is a small universe of forks and mods that add even more features for casual gaming. DeSmuME is the origin of RetroArch and OpenEmu Nintendo DS support and is used by several mobile Nintendo DS emulators, with the notable exception of DraStic. DeSmuME's source code is now hosted at https://github.com/TASVideos/desmume/ win32 autobuilds @ https://ci.appveyor.com/project/zeromus/desmume/build/artifacts
A strategy game with a high fantasy theme
The Battle for Wesnoth is a Free, turn-based tactical strategy game with a high fantasy theme, featuring both single-player, and online/hotseat multiplayer combat. Fight a desperate battle to reclaim the throne of Wesnoth, or take hand in any number of other adventures.
SuperTuxKart is a kart racing game featuring Tux and friends. It is a fun-racer game, focusing on fun and ease of play.
DivFix++ is yours AVI video repair and preview software. It designed for repair and preview files which are on download from ed2k(emule), torrent, gnutella, ftp. web or any other source on the internet. It can repair AVI and DivX files (for now.)
3D game engine (more powerful redesign of the Cube engine) and FPS game
Low-latency, high quality voice chat for gamers
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. It includes game linking, so voice from other players comes from the direction of their characters, and has echo cancellation so the sound from your loudspeakers won't be audible to other players.
Chess Database and PGN viewer
A free and open source chess database application for Linux, Mac OS X and Windows.
OpenLierox is an extremely addictive realtime worms shoot-em-up backed by an active gamers community. Dozens of levels and mods are available to provide endless gaming pleasure.
Open Sonic is a free open-source game based on the "Sonic the Hedgehog" universe. It introduces a different style of gameplay called cooperative play, in which it's possible to control 3 characters simultaneously. It works on Windows, Linux and MacOSX
Game engine supporting many 3D/2D formats and graphic effects
Cross-platform 3D and 2D game engine for Object Pascal. Rendering and processing of game assets in X3D, VRML, Collada, Spine and other formats. Many graphic effects including shadows, shaders, mirrors, screen effects. Animation, collision detection, 3D sound. Extensible system of 3D objects, with out-of-the-box levels, items, intelligent creatures and more. Desktop, mobile, web plugin. Also home of view3dscene - our full-featured VRML/X3D browser.
A Jump and Run game like Super Mario World with an advanced Editor and highly detailed Graphics based on SDL with a OpenGL accelerated Graphics Renderer developed in C++. Runs under Linux, Windows and Mac and can be easily ported to other platforms.
Allegro is a cross-platform library intended for use in computer games and other types of multimedia programming.
A free, industrial quality library for simulating articulated rigid body dynamics - for example ground vehicles, legged creatures, and moving objects in VR environments. It's fast, flexible & robust. Built-in collision detection.
Hammer of Thyrion (uHexen2) is a cross-platform port of Raven Software's Hexen II source. It is based on an older linux port, Anvil of Thyrion. HoT includes countless bug fixes, improved music, sound and video modes, opengl improvements, support for many operating systems and architectures, and documentation among many others.
GemRB is a portable open-source implementation of the Infinity Engine
GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware's Infinity Engine. It was written to support pseudo-3D role playing games based on the Dungeons & Dragons ruleset (Baldur's Gate and Icewind Dale series, Planescape: Torment). It should run on GNU/Linux, Microsoft Windows, OS X, possibly other UNIX derivatives and more. It is licensed under the GPL.
Tools using the s3pi library and other related works
sims3tools provides a set of tools for the Sims3 modder, based around the s3pi library. It includes: a package editor (s3pe), which allows most useful resources to be edited; an Object / CAS Part cloner (s3oc) for creating a base for modifications; a sims3pack packer/unpacker (s3su), which simplifies handling the content of these files; a string table editor (s3se) for allowing string table resources to be efficiently edited; plus a number of additional utilities. Note that development on sims3tools has now finished.
A free racing simulator with excellent physics and graphics.
Provides a full suite of clients and servers for virtual worlds.
Worldforge provides clients, servers, tools and protocol to allow for anyone to create and host their own virtual and online world.
PyFFI is a Python library for processing block structured binary files. Supports NetImmerse/Gamebryo (NIF, KFM), Crytek (CGF), FaceGen (EGM), DDS, and TGA. Includes 3D tools (stripifier, tangent space), utility scripts, and a file editor QSkope.
PrBoom, the purest Doom-Port? Aims to be the most stable Doom port with the highest compatibility to the major Doom versions. Highres software and nice OpenGL rendering. Full Boom and most if not all MBF features.
Modified PrBoom port with uncapped framerate, variable gamespeed, re-record, walkcam, chasecam, full mouselook, fov and other features without loss of compatibility with original DOOM.
First-person 3D building and elevator simulator
Skyscraper is a fully featured first-person 3D virtual building simulator, written in C++ and using the OGRE graphics engine (previous versions used Crystal Space). It's flagship feature is an elaborate and realistic elevator simulator.
Console based rcon client for minecraft servers.
Mcrcon is IPv6 compliant minecraft rcon client with bukkit coloring support. It is well suited for remote administration and to be used as part of automated server maintenance scripts. Does not trigger "IO: Broken pipe" or "IO: Connection reset" spam bug on server side. Precompiled binaries available for Windows (x86), Linux (x86) and Mac OS X (x86 / x86-64). Program is written in C99 with getopts options handler (POSIX). It compiles on all proper compilers and environments which supports POSIX and C99 (basically almost all C compiler environments). *Note that this app is still in beta stage so there might be quirks and incomplete implementations of features here and there. No major problems know at the moment.* Project github: https://github.com/Tiiffi/mcrcon
Sudoku for addicts
Sudoku generator/solver/analyzer written in Java (English and German). Lots of human style techniques (singles, subsets, LCs, fish, wings, uniqueness, coloring, chains, ALS), powerful analyzer (manage multiple solutions for one sudoku). Includes Learning and training modes and a booklet printer.
The COLLADA Document Object Model (DOM) is an application programming interface (API) that provides a C++ object representation of a COLLADA XML instance document. Contact a project admin to become a developer!