Playnite is an opensource game library to manage video games. ...more

CorsixTH is an Open source clone of Theme Hospital. ...more

RPGBoss is a software to create RPG games. ...more

Manic Digger is a 3d block-building game, a Minecraft clone. ...more

Blitz3D is a classic game programming language for PC. ...more

FamiTracker is a free windows tracker for producing music for the NES/Famicom-systems. ...more

libGDX is a free and open-source game-development application framework. ...more

Flare (game) is a free/libre game engine for classic isometric action RPGs. ...more

Voxelands is a free voxel world game. ...more

Terasology is an open-source Minecraft like game. ...more

The Mana World is a free 2D open source MMORPG. ...more

VisualBoyAdvance (VBA) is a free emulator of the Game Boy, Game Boy Color, and Game Boy Advance handheld game consoles. ...more

NESBox is a Javascript NES emulator. ...more

Alien Arena is a fast, free FPS deathmatch game. ...more

Nikki and the Robots platformer game. ...more

Superpowers is a 2D+3D game making software for indies. ...more

Unvanquished is an opensource first-person strategy shooter game. ...more

Tremulous is a free and open source team-based first-person shooter with real-time strategy elements. ...more

TORCS (The Open Racing Car Simulator) is an open source 3D car racing simulator available for Linux, FreeBSD, Mac OS X, AmigaOS 4, AROS, MorphOS and Microsoft Windows. ...more

LateralGM (LGM) is an alternate Game Maker IDE founded by IsmAvatar that is compatible with both ENIGMA and Game Maker. ...more

FCEUX is an open source Nintendo Entertainment System and Family Computer Disk System emulator. ...more

Tux Paint is a raster graphics editor (a program for creating and processing raster graphics) geared towards young children. ...more

Frets on Fire is a free, open-source Finnish music video game. ...more

NetHack is a single-player roguelike video game. ...more

Tanks of Freedom is a classic turn-based strategy game with two armies fighting against each other. ...more

EmulationStation is a graphical and themeable emulator front-end that allows you to access all your favorite games in one place, even without a keyboard. ...more

Pygame is a cross-platform set of Python modules designed for writing video games. ...more

Secret Maryo Chronicles (SMC) is a free, open source two-dimensional platform game. ...more

DJL is an open-source (GPL) game manager written in Python. ...more

MegaGlest is a free and open source real-time strategy computer game in a fantasy world, mixing elements of re-imagined past civilizations, magic and steampunk. ...more