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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...

[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.
XBMC for Xbox
[26 users on Ohloh]
XBMC is a multimedia player/jukebox for the Xbox from Microsoft. It can be used to play or view most common video, audio, and picture formats such as MPEG-1/2/4, DivX, XviD, MP3, AAC, JPG, and GIF directly from a CD or DVD in the Xbox DVD-ROM drive or from the Xbox hard drive. XBMC can also stream files over a local network or from the Internet. Playlist and slideshow functions, a weather forecast, and many audio visualizations are also included.
[22 users on Ohloh]
Tags: multiplayer c++ 2d game sdl turn-based cross-platform worms
War is declared !
Have the mascots of your favorite free softwares battle in the Wormux arena. Using dynamite, grenades, baseball bat and others bazookas,... exterminate your opponent in a 2D toon style scenery and a funny environment.
Each player (2 minimum, on the same PC) controls the team of his choice (penguin, gnu, firefox, wilber,...) and must destroy his adversary using more or less casual weapons.
Although a minimum of strategy is required to...
XBMC Media Center
[21 users on Ohloh]
XBMC media center is a free cross-platform media-player jukebox and entertainment hub. XBMC is open source (GPL) software available for Linux, Mac OS X, Microsoft Windows operating-system, and the Xbox game-console. XBMC can play a very complete spectrum of of multimedia formats, and featuring playlist, audio visualizations, slideshow, and weather forecast functions, together with a multitude of third-party plugins.
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...

[15 users on Ohloh]
SDL_mixer is a sound mixing library that is used with the SDL library, and almost as portable. It allows a programmer to use multiple samples along with music without having to code a mixing algorithm themselves. It also simplyfies the handling of loading and playing samples and music from all sorts of file formats.
Clutter Toolkit
[14 users on Ohloh]
Clutter is an open source software library for creating fast, visually rich and animated graphical user interfaces.

Clutter uses OpenGL (and optionally OpenGL ES) for rendering but with an API which hides the underlying GL complexity from the developer. The Clutter API is intended to be easy to use, efficient and flexible.

[14 users on Ohloh]
Pingus is a free Lemmings clone. In this game you guide a bunch of penguins on their journey around the world.
[9 users on Ohloh]
VDrift is a cross-platform, open source driving simulation made with drift racing in mind. It's powered by the excellent Vamos physics engine. It is released under the GNU General Public License (GPL) v2. It is currently available for Linux, FreeBSD, Mac OS X and Windows (Cygwin).
S.C.O.U.R.G.E.: Heroes of Lesser Renown
[9 users on Ohloh]
S.C.O.U.R.G.E. is a Rogue-like game with a modern user interface. The game allows a group of four characters to search for treasure, kill enemies, gain levels, etc.
[8 users on Ohloh]
Exult is an open-source game engine for playing Ultima7 on modern operating systems, using the game's original data files.
[7 users on Ohloh]
Openc2e is a cross-platform open-source game engine designed to be compatible with and run the Creatures series of games, including Creatures 1, 2, 3 and Docking Station.
[7 users on Ohloh]
FreeSCI is a portable interpreter for SCI games, such as the Space Quest
series (starting with SQ3) or Leisure Suit Larry (2 and sequels).

In February 2009 FreeSCI was merged with ScummVM project.

MESS - Multi Emulator Super System
[5 users on Ohloh]
MESS is a MAME-based project which documents the hardware for a wide variety of (mostly vintage) computers, video game consoles, and calculators through software emulation, as MAME does for arcade games. As a nice side effect to this documentation, MESS allows software and games for these hardware platforms to be run on modern PCs.

The goal of MESS is total accuracy to the original hardware behaviour, which is achieved through low-level emulation of all hardware components (video chips, CP...

Ultrastar Deluxe
[5 users on Ohloh]
Karaoke Software for PC like Singstar for PS2. It evaluates your singing by analyzing your voice pitch. Songs can be created with integrated Editor. This is a Fork of the UltraStar Project with many massive improvements.
[4 users on Ohloh]
ArcLib is a cross platform 2D game arcade library using the D programming language.
[4 users on Ohloh]
Performous is a free cross-platform clone of the Playstation 2 game Singstar.

While Performous might be classified as a karaoke program, it is actually much more than that. Instead of just displaying the lyrics, notes are also displayed and the performance is scored based on how well you hit the notes and you can see your own singing pitch on screen.

Performous was previously known as UltraStar Next Generation (USNG) because it supports the UltraStar song format. It is not a fork of...