A planetarium software that shows a 3D simulation of the night sky
Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
Versatile Commodore Emulator
VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.
Open-source, free, multi-platform BASIC compiler, with syntax similar MS-QuickBASIC (including the GFX statements), that adds new features such as pointers, unsigned data types, inline assembly, a pre-processor and many others.
3D game engine (more powerful redesign of the Cube engine) and FPS game
A free sing-along karaoke game for your PC
Karaoke sing-along game for PC which is similar to Playstation® Singstar™. It allows up to six players to sing along with music using microphones in order to score points, depending on the pitch of the voice and the rhythm of singing.
SUMO is a microscopic road traffic simulation.
SUMO is an open source, highly portable, microscopic and continuous road traffic simulation package designed to handle large road networks. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation. Please note that code and issue tracker are now at https://github.com/DLR-TS/sumo/
A full featured cross-platform image library
Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
QuakeSpasm is a *Nix friendly Quake Engine based on the SDL port of the popular FitzQuake. It includes some new features, important fixes, and aims for portability and 64 bit correctness.
3D Engine c++
The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers.
Official continuation of the famous Blobby Volley 1.x arcade game.
K-3D is the free (as in freedom) 3d modeling, animation, and rendering system.
Open Source CAM - Toolpath Generation for 3-Axis CNC machining
This is one of the most popular Doom source ports. It is available for DOS, Windows, Linux and Mac OS X, and should build on any POSIX platform which supports SDL. It enhances Doom with things like TCP/IP networking, OpenGL renderer, Heretic support and much more.
New Robolinux Cinnamon 9.1 LTE (2021) which runs Windows XP, 7 & 10
Robolinux has been working night and day listening carefully to its User base and is extremely excited to release its brand new Robolinux 64 bit 9 series Cinnamon version which includes automated driver installers, Free Stealth VM, Free C Drive to VM & Free Apps installers, programmable ear candy and much much more built upon the 4.13 Linux kernel sporting the newest Cinnamon version 3.6 This second of five brand new Robolinux 9 series versions focuses on Privacy and was built with a flawless crash free balance of the best current but highly stable Debian & Ubuntu source code, delivering exactly what our Users asked for in a blazing fast Linux OS that runs Windows XP, 7 & 10 natively inside it virus Free. The live version login user name is live then press enter as there is no password. Please see the Readme.txt file for complete Robolinux Cinnamon V9.1 details For all downloads click on the "Files" button above. Thank you John Martinson Founder Robolinux.org
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.
A simple turn-based artillery game and also a real-time strategy game.
Scorched3D incorporates lively, fully destructible 3D landscapes that include animated jets, naval vessels, water and even birds, with detailed tanks and projectiles and stunning visual effects. A simple turn-based artillery game and also a real-time strategy game in which players can counter each others' weapons with other creative accessories, shields and tactics. Test your skill in timing, aiming and judgement of distance, move around on the landscape, or outsmart your opponent economically.
FTGL is a free cross-platform Open Source C++ library that uses Freetype2 to simplify rendering fonts in OpenGL applications. FTGL supports bitmaps, pixmaps, texture maps, outlines, polygon mesh, and extruded polygon rendering modes.
A fun realistic multiplayer free-and-open-source first-person-shooter!
A mirror of releases is here.
A free racing simulator with excellent physics and graphics.
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.
WW2 U-boat simulation
SDL/OpenGL based WW2 german submarine 3d simulation, multilanguage support, multiplatform support with advanced sound and graphics. Please visit dangerdeep.sourceforge.net for any news or visit us in #dangerdeep on freenode IRC.
Zod Engine is a remake of the 1996 classic game by Bitmap Brothers called Z. Z is a capture the flag style RTS. In this game you command robots and vehicles with the purpose of destroying the enemy's fort. Please visit http://zzone.lewe.com/ for more
TORCS, The Open Racing Car Simulator is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform. It runs on Linux (x86, AMD64 and PPC), FreeBSD, OpenSolaris, MacOSX and Windows.
fast paced, arcade-style, top-scrolling space shooter
You are captain of the cargo ship Chromium B.S.U., responsible for delivering supplies to our troops on the front line. Chromium B.S.U. is a fast paced, arcade-style, top-scrolling shooter. It uses OpenGL for graphics, and OpenAL for sound effects.
Free 3D Roguelike action RPG
Egoboo is a working cool 3D dungeon crawling game in the spirit of nethack. Currently it is supported by Windows, Linux and Mac.