About | FAQ | Backlog
Open Source projects, categorized.
add filters by typing...
...or clicking
.net 2d 3d 3d-rendering actionscript ajax analysis api artificial-intelligence asp.net audio automation browser bsd c c# c++ calendar chat client cms code coding collaboration community configuration console content-management content-management-system cross-platform css database design desktop development documentation download dynamic-content editor editors embedded emulator engine entertainment firefox flash flex forum framework freebsd fun game gamedev games generator gnome graphics gui haskell html interface interpreter irc java javascript json kde language library linux logging lua mac macosx mac-os-x maemo management manager maps media messaging middleware mmorpg mobile modeling module mono multimedia multi-platform multiplayer music mysql network networking object-oriented ogg online oop opengl osx perl php php5 physics player plugin portable portal postgresql programming python qt qt4 role-playing rpg rss ruby script scripting sdl security server simple simulation site-management software-development sound source sql sqlite statistics swing template templates themes toolkit tools ui unix utilities utility video visualization web win32 windows x11 x86 xhtml xml
[333 users on Ohloh]
Blender is a 3D animation and compositing suite with tools for modeling (advanced subdivision modeling, multiresolution sculpting), uv unwrapping, texturing (procedural node, 2D and 3D painting), animation, rendering, particles and simulation (including fluid dynamics, hard body physics, cloth and hair), post-production with node based compositing and non linear editing, integrated game engine (with graphical programming, vehicle and rag doll constraints) and python scripting including an impor...
[139 users on Ohloh]
DOSBox uses SDL to emulate the PC hardware required for running old DOS games. This includes a 386 processor, an S3/Trio video card with some tweaks to allow for older display hardware like the Tandy, a Sound Blaster Pro, the PC speaker, Tandy 3-sound, CMS/GameBlaster, Disney Sound Source, and MIDI. DOS emulation is integrated. It is possible to mount local directories as drives inside the emulator.
Simple DirectMedia Layer
[136 users on Ohloh]
A cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.

SDL supports Linux, Windows, Windows CE, BeOS, MacOS, Mac OS X, FreeBSD, NetBSD, OpenBSD, BSD/OS, Solaris, IRIX, and QNX. The code contains unofficial support for AmigaOS, Dreamcast, Atari, AIX, OSF/Tru64, RISC OS, SymbianOS, and OS/2.

SDL is written in C, but works with C++ natively, and has bindings to several other language...

Battle for Wesnoth
[132 users on Ohloh]
The Battle for Wesnoth is a turn-based strategy game with a fantasy theme.

Build up a great army, gradually turning raw recruits into hardened veterans. In later games, recall your toughest warriors and form a deadly host against whom none can stand! Choose units from a large pool of specialists, and hand-pick a force with the right strengths to fight well on different terrains against enemies.

[111 users on Ohloh]
ScummVM is a program which allows you to run certain classic graphical point-and-click adventure games, provided you already have their data files. The clever part about this: ScummVM just replaces the executables shipped with the game, allowing you to play them on systems for which they were never designed!

ScummVM lets you run these adventures: Adventure Soft's Simon the Sorcerer 1 and 2; Revolution's Beneath A Steel Sky, Broken Sword 1 and Broken Sword 2; Flight of the Amazon Queen; Wyr...

[48 users on Ohloh]
Pygame is a set of Python modules designed for writing games. It is written on top of the excellent SDL library. This allows you to create fully featured games and multimedia programs in the python language. Pygame is highly portable and runs on nearly every platform and operating system.
[39 users on Ohloh]
SuperTux is a side-scrolling platform game. The hero in this game is Tux the Penguin, the game's only reference to Linux. On the journey to rescue Penny, who has been kidnapped by evil Nolok, Tux faces 23 different kinds of bad guys while jumping and running through 101 beautifully-drawn levels. The soundtrack is available on last.fm and similar sites.
[38 users on Ohloh]
jMonkeyEngine provides a high performance, scenegraph based rendering and physics system.
[38 users on Ohloh]
Nexuiz is a fast-paced, chaotic, and intense multiplayer first-person shooter game, focused on providing basic, old style deathmatch. It is extremely modder-friendly. Nexuiz is built on the power of the Darkplaces engine, which is a heavily modified version of the original Quake. Darkplaces features realtime lighting and stencil shadows, bumpmapping, gloss, bloom, and totally rewritten network code that supports up to 64 players on a single server.
BZFlag - Multiplayer 3D Tank Game
[37 users on Ohloh]
BZFlag is a 3D, multiplayer, tank battle zone, capture the flag game that pits players against each other in a networked environment. It runs on Windows 95/98/NT/2000, Linux, MacOS 10.x, Irix, Solaris, and others. An OpenGL accelerator is highly recommended, but it is playable with 3D in software.
[31 users on Ohloh]
Sauerbraten (a.k.a. Cube 2) is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS.
UFO: Alien Invasion
[30 users on Ohloh]
UFO: Alien Invasion is a strategy game featuring tactical combat against hostile alien forces which are about to infiltrate earth at this very moment. You are in command of a small special unit which has been founded to face the alien strike force. To be successful on the long run, you will also have to have a research team study the aliens and their technologies in order to learn as much as possible about their technology, their goals and the aliens themselves.
[27 users on Ohloh]
VisualBoyAdvance is a GameBoyAdvance emulator. It's not the fastest but it aims to be the most accurate.
[25 users on Ohloh]
Tremulous is a free, open source game that blends a team based FPS with elements of an RTS. Players can choose from 2 unique races, aliens and humans. Players on both teams are able to build working structures in-game like an RTS. These structures provide many functions, the most important being spawning. The designated builders must ensure there are spawn structures or other players will not be able to rejoin the game after death. Other structures provide automated base defense (to some degree)...
[24 users on Ohloh]
The Lightweight Java Game Library (LWJGL) is a solution aimed directly at professional and amateur Java programmers alike to enable commercial quality games to be written in Java. LWJGL provides developers access to high performance crossplatform libraries such as OpenGL (Open Graphics Library) and OpenAL (Open Audio Library) allowing for state of the art 3D games and 3D sound. Additionally LWJGL provides access to controllers such as Gamepads, Steering wheel and Joysticks. All in a simple and s...
MAME - Multiple Arcade Machine Emulator
[23 users on Ohloh]
Even though MAME allows people to enjoy the long-lost arcade games and even some newer ones, the main purpose of the project is to document the hardware (and software) of the arcade games. There are already many dead arcade boards, whose function has been brought to life in MAME. Being able to play the games is just a nice side-effect. The huge success of MAME would not be possible without the talent of the programmers who joined to form the MAME team. At the moment, there are about 100 people o...
Globulation 2
[19 users on Ohloh]
Globulation 2 is an innovative Real-Time Strategy (RTS) game which reduces micro-management by automatically assigning tasks to units. Take a look at the screenshots or just download and try it right now. Globulation 2 is Free Software, licensed and distributed under the GNU General Public License.

Globulation 2 brings a new type of gameplay to RTS games. The player chooses the number of units to assign to various tasks, and the units do their best to satisfy the requests. This allows play...

[19 users on Ohloh]
OpenArena is an open-source content package for Quake III Arena licensed under the GPL, effectively creating a free stand-alone game. You do not need Quake III Arena to play this game.

Bots were added starting in 0.6.0. They will spout taunts and everything!

Concepts would be loose, so don't expect a remake of Klesk in his original Klesk form, or any direct remakes of any map/weapon/model.

OpenArena uses the ioquake3 open source Quake 3 distribution .

Scorched 3D
[19 users on Ohloh]
Scorched3D is a cross-platform 3D remake of the popular 2D artillery game Scorched Earth. Scorched3D can be played against the computer, other players, and remotely across the Internet or LAN.
Irrlicht Engine
[18 users on Ohloh]
The Irrlicht Engine is a high performance real-time 3D engine written and usable in C++, and also available for .NET languages. It is completely cross-platform, using D3D, OpenGL, and its own software renderers.