Browse free open source Games and projects for Windows and Mac below. Use the toggles on the left to filter open source Games by OS, license, language, programming language, and project status.

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  • 1
    A Java-based Gameboy and Gameboy Color emulator for mobile devices and PCs. If you want to play Gameboy games on your mobile phone you should try this emulator. For more information see the Wiki http://sourceforge.net/apps/mediawiki/javagb/index.php.
    Downloads: 24 This Week
    Last Update:
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  • 2
    A Java-based Commodore 64 emulator for mobile devices and PCs. If you want to see the old C64 become alive on your mobile phone or PC then try this emulator. For more information see the Wiki pages http://sourceforge.net/apps/mediawiki/jmec64/index.php.
    Downloads: 15 This Week
    Last Update:
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  • 3
    pySioGame / eduActiv8

    pySioGame / eduActiv8

    Educational Activities for Kids

    The pySioGame project has been renamed to eduActiv8 - please visit the new project page at https://sourceforge.net/projects/eduactiv8/ More info available at http://www.eduactiv8.org Packages for multiple Linux distributions of eduActiv8 are available from: https://software.opensuse.org//download.html?project=home%3Aimiolek-i&package=eduactiv8
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    Downloads: 5 This Week
    Last Update:
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  • 4
    Hale

    Hale

    An RPG with turn based combat

    Hale is a turn based RPG with deep tactical combat and character customization. Included is a lengthy and varied campaign with many quests, items and monsters, visiting a variety of locales. The entire system is built to be moddable from the ground up.
    Downloads: 7 This Week
    Last Update:
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  • 5
    Wizapply

    Wizapply

    Cross-platform C framework very compact libraries and tools.

    Project is Freeze. Wizapply is a coined word which it consists of "Apply for application wizard.", and it means "Using the expert of an application".An expert absorbs all of study of the API group according to the device and operating system which are a part of problems which a programmer has, and study of the various programming methods. It isn't cool to rewrite a code repeatedly, to create the same program which carries out the same opereation right? The source code that is once written new by Wizapply will compiled on all operating systems, and realizes a cross platform simply.Although, it is not necessary to describe the code of thousands of lines, to display the graphics on a screen.If you use Wizapply, it will be shortened by only several lines. To the World of Wonderful Programming.
    Downloads: 14 This Week
    Last Update:
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  • 6
    This project aims to deliver a stable, performant and flexible Tetrinet & TetriFast server.
    Downloads: 12 This Week
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  • 7
    KoLmafia
    KoLmafia is a cross-platform desktop tool which interfaces with the online adventure game, Kingdom of Loathing. KoLmafia is written in Java ( Java 17 required), with binary releases in JAR format. We have moved to https://github.com/kolmafia/kolmafia, please come and find us there!
    Downloads: 2 This Week
    Last Update:
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  • 8
    Activision and Raven are releasing this code for people to learn from and play with. This code is copyright Activision 1996-1998 Originaly release 6 Jan 1999 under a different EULA. This source is released under GNU GPLv2.
    Downloads: 11 This Week
    Last Update:
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  • 9

    Star Wars Old Republic - SWTOR Char DB

    Character Database Script for Websites

    Allows you to track members, levels, ranks, skills, etc. Features are being added regularly so keep checking for updates.
    Downloads: 11 This Week
    Last Update:
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  • 10
    Pacman Game for J2ME enabled cellular phones. A CS 329 - Software Engineering II project for the University of Illinois.
    Downloads: 6 This Week
    Last Update:
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  • 11
    JavaForce

    JavaForce

    Java Development Framework

    JavaForce (JF) is a Java library extending the capabilities of Java. It includes a VoIP stack and native bindings for FFMPEG, OpenGL, and Camera (Windows, Linux and Mac). Includes many apps such as jfPhone, jfPBX, jfPaint, jfVideo Creator, etc. JF is the core of the Java/Linux Operating System : jfLinux.sf.net JF is also used to create another Minecraft clone : jfcraft.sf.net Moved to github.com/pquiring/javaforce
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    Downloads: 6 This Week
    Last Update:
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  • 12
    OdinMS is a Java based Server.
    Downloads: 6 This Week
    Last Update:
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  • 13
    Spi Poker lets you play poker against other people on the internet. It supports holdem, omaha, and 7-card stud on IRC poker. Spi's aim is to be an extremely graphical and natural interface to playing poker. It runs on Linux (X), Windows, and Macs.
    Downloads: 1 This Week
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  • 14
    Reversi (a.k.a. Othello) Game Midlet for Mobile Devices (e.g. mobile phones) written in Java language (J2ME).
    Downloads: 4 This Week
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  • 15

    JChess

    The Java Chess Engine

    This library is an attempt to create a flexible chess engine using the Java programing language. The main diference than others chess engine's is that it is only a library, and it can be attached to any program, including a web application. If you are interested to contribute please contact me. Francisco Rafael Del Roio <francipvb@hotmail.com>.
    Downloads: 4 This Week
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  • 16
    This is an algorithmic chord generator for stringed, fretted musical instruments. It's design allows it to be used for finding chords in a number of different tunings on many different instruments.
    Downloads: 4 This Week
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  • 17
    COLLADA Refinery is a GUI-based application for creating content pipelines for 3D assets using modular components called conditioners. Contact a project admin to become a developer!
    Downloads: 2 This Week
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  • 18
    DoomRunner (Doom Frontend)

    DoomRunner (Doom Frontend)

    Classic Doom Frontend

    DoomRunner is a modern frontend for the classic "Doom" game by id Software. The Mac and Windows versions include the PrBoom game engine. It is written in C++/Qt and supports a variety of platforms. This version is final; if there aren't any bugs or issues, this version won't be updated. Otherwise, if any bugs are found, leave a message at the discussion section.
    Downloads: 2 This Week
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  • 19
    Emergent Mercenary is a 3D FPS with strategy overtones, and an excerise in emergent gaming. It should be easy to setup a scenario (e.g. hunt criminal) just by placing characters with certain AI into the game and see them interact.
    Downloads: 2 This Week
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  • 20
    MATHLIB3D: MATHLIB3D is a Vector/Matrix/Quaternion/Plane/Polynomial C++/Java library targeting either precision or fast mathematical operations executed on vectors, matrices and quaternions.
    Downloads: 2 This Week
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  • 21
    OpenPTC is a portable frame-buffer library for computer graphics programmers (C/C++/Java)
    Downloads: 2 This Week
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  • 22
    RealmForge (now Visual3D Game Engine)

    RealmForge (now Visual3D Game Engine)

    1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor

    The first 3D game engine built in C# for .NET, predecessor to the Visual3D Game Engine (https://www.poweraccess.net/visual3d-game-engine), an All-in-One Game Development Tool for Next-Gen 3D Games, MMOs, Simulations and Virtual Worlds powered by Microsoft XNA.
    Downloads: 2 This Week
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  • 23
     Super Mario Bros. Python Final

    Super Mario Bros. Python Final

    Super Mario Python Final

    This project has been discontinued for a while now. Recently I decided to come back and work a little bit more on it. I added some new stuff and here is the new result. This will be the final version of the game, I do not intend to release any new stuff in the nearby future. The game isn't perfect and I believe it has some broken code. Anyway, it should be playable. Thanks for looking! Sincerely - HJ.
    Downloads: 3 This Week
    Last Update:
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  • 24
    This is a Japanese to English fan translation patch for the Capcom video game "Gyakuten Saiban 3", one of the sequels to Phoenix Wright.
    Downloads: 3 This Week
    Last Update:
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  • 25
    SWG Manager is a Java application supporting players of the popular MMORPG called Star Wars Galaxies(tm). It helps players select the best resources for crafting, manages lot usage, structures, and vendors, and it includes a skill calculator.
    Downloads: 3 This Week
    Last Update:
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