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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 1
    Game Extractor

    Game Extractor

    Open and edit the archive files used in over 4700 games.

    Reads and writes archives used in many popular games. Great for mod development and game translations. Supports over 4700 games, with more games added through small plugins. Also shows file previews and converts them to different formats.
    Leader badge
    Downloads: 379 This Week
    Last Update:
    See Project
  • 2
    x3d

    x3d

    X3D is the open-standard format for 3D graphics scenes on the Web.

    Extensible 3D (X3D) Graphics is a royalty-free International Standard for real-time interactive 3D graphics on the Web, providing unsurpassed interoperability for 3D communications on the Web. This project includes source for example X3D scene libraries and multiple X3D codebases produced by Web3D Consortium members. All open-source contributions are welcome.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 3
    Galleon is a home media server using TiVo's discontinued HME protocol. It only works on TiVo versions earlier than 20.7.2. The project is not actively maintained. If you want to maintain it, contact the admins.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    JNBT is a Java NBT (Named Binary Tag) library. It provides easy to use NBTInputStream and NBTOutputStream classes to read and write NBT files. NBT is the level format used by the Minecraft game.
    Downloads: 3 This Week
    Last Update:
    See Project
  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • 5
    The Deimos Project is a Java-based game development library collection. Includes Vertex Modeler, a 3D modeler that lets you programatically define models using Java source code. The modeler is also a simple scene graph API.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    The purpose of this project is to develop an engine for running web based Interactive Fiction (also known as text adventures) and to develop a XML based Interactive Fiction Markup Language (IFML).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Helping you rifle through other people's packages. The DBPF2 file format is used for most of the content in the Sims 3 engine. This project provides a Java-based API, and supporting GUI application, to unpack, browse, edit and repack these files.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    A generic platform for fast and flexible development and delivery of a wide variety of immersive scenario-based games that enable professional skills acquisition. For further information see http://emergo.ou.nl/emergo/community/EN/emergo.htm. The platform is based on ZK framework (http://www.zkoss.org, ZK ZOL license: https://www.zkoss.org/license#peee) and Spring framework (http://www.springsource.org/spring-framework). NOTE: as of 2024, latest (mavenized) code base can be found at https://gitlab.com/ou-teli/emergo. A working docker container example can be composed according to https://gitlab.com/ou-teli/gamebrics-docker-compose.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    Jagent
    Jagent is a suite for manipulating Creatures 3 and Docking Station agents. It consists of a sprite tool (Edos) and a PRAY tool (Monk). It requires Java (http://java.com/)
    Downloads: 1 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    A collection of classes for getting information from the EVE-Online V2 API. It deals with the decoding and caching of XML data from the Eve Universe.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    The basic goal of The Aceituna project is to create a massive multiplayer strategy game in the style of Sid "God" Meier's Civilization, but adding far more detail and complexity, thus creating a "living" world for the players to inhabite.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12

    Aliza Gaming API

    An extensible development framework for roleplay games.

    AlizaGameAPI is a robust, open-source Java-based framework designed to streamline and enhance the development of 2D and 3D games. It offers a comprehensive set of tools, utilities, and libraries, empowering developers to create immersive and dynamic gaming experiences with ease. Key Features: Modular Architecture, Rich Graphics and UI Components, Comprehensive Game Logic and Character Management, Environment and World-Building Tools, Statistical and Mathematical Utilities, Enhanced Debugging and Logging, Data Management and Integration, Integrated LLM for NPC Dialog, Cross-Platform Compatibility Dive into the world of game development with AlizaGameAPI. Download the latest version, explore the detailed documentation, and join the community of developers pushing the boundaries of gaming technology.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    A simple conversion tool from AutoREALM (http://sourceforge.net/projects/autorealm/) native formats (AuR, AuRX planned) into SVG for inclusion in websites.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    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: 0 This Week
    Last Update:
    See Project
  • 15
    A tray icon monitoring your games on chessworld.net. Whenever a new game on the web site waits for your turn, the tray icon notifies you.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Chmuk

    Chmuk

    GPS data visualisation and exploration

    A really wonderful software to visualise and analyse GPS traces in many different ways (speed and elevation variation, etc.), with different background maps (hiking map, road map, orienteering map, aerial image, cycling map, etc.). It is possible to make KML exports.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Darkfall Emulator

    Darkfall Emulator

    Develop an emulated Darkfall Online Server.

    This project is the development of an open source fully emulated Darkfall Online Server and reverse engineering the proprietary game engine that DFO uses, the SF3D engine as well as its source code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    EE MUD includes a large spherical world with dynamically created biomes, weather, and local areas. Need to replace serialization with more efficient caching with less object persistence, redo synchronization model, and use XML loaders over factory method
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    The goal of this project is to present to end user a way to describe FengGui user interface in an html like form
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Handhistory Converter for IPoker-network, Pokerstars and Everestpoker. It converts the historys from Pokertracker into readable formats for forums, blogs and pokerhand.org. It reads cashgames and tourneys.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    This project aims to create a standalone application, java-written Match Viewer for the online football (soccer) management game Hattrick - www.hattrick.org.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Itemizer - Generic (C)RGP item editor
    Itemizer is a small application that lets you define attribute sets for (C)RPG items, create item catalogs from these sets and edit the item data in the catalogs. Itemizer can also be used to manage character and other game entity data in (C)RPGs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Container for robot/environment simulation. The container simulates an environment, and gives to the robots living in it access to sensor views. The goal of this project is to provide the open source community a tool for robot behavior test and challeng
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Jseki is a collection of utilities related to the ancient board game Go (also known as Wei-Qi or Baduk). These utilities allow a player to review statistics and other information about the games they've played.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    L2jdertin, Stable L2J Cliente: Interlude.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.