Showing 422 open source projects for "java open source"

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  • 1
    OpenRA

    OpenRA

    Real Time Strategy game engine supporting early Westwood classics

    OpenRA is a free and open source real-time strategy game engine for early Westwood games like Command & Conquer: Red Alert. It is not just a clone of the original but is a recreation, with improved and rebalanced gameplay that modernizes the classic Command & Conquer strategy games. It provides a common platform for rebuilding and reimagining classic 2D and 2.5D RTS games (the OpenRA mods).
    Downloads: 52 This Week
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  • 2
    Endless Sky

    Endless Sky

    Endless Sky is a sandbox-style space exploration game

    Endless Sky starts off the player with a decision to pick their own ship based on their style of gameplay. Will you choose to be the merchant and enjoy quiet and steady work among the stars? Or will you become a bounty hunter and fight off pirates to strike it rich? You may even decide to become the bad guy and choose to be the pirate yourself.
    Downloads: 26 This Week
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  • 3
    Widelands

    Widelands

    Widelands is a free, open source real-time strategy game

    Widelands is a free, open-source real-time strategy game with single-player campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it. Still, it is easy to get started through playable tutorials. In Widelands, you are the regent of a small clan. You start out with nothing but your headquarters, where all your resources are stored.
    Downloads: 4 This Week
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  • 4
    openage

    openage

    Open source clone of the Age of Empires II engine

    openage is a free cross-platform RTS game engine that provides the mechanics of Age of Empires. Using modern technologies as C++17, OpenGL/GLSL, Python, Qt5 and CMake allows people using GNU/Linux, BSD, macOS or Windows to play the game natively. Our aim is to make openage a platform for the original Age of Empires games providing the same look and feel, but with more features for modding and multiplayer. openage uses an open API powered by our human-readable configuration language nyan. We...
    Downloads: 4 This Week
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    BoldTrail Real Estate CRM

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  • 5

    Europa Universalis Game Tools

    Europa Universalis 4 save game editor

    Java library and application to edit game files from all Clausewitz-engine games (EU3 and later, including EU4, Victoria 2, Hearts of Iron 3, EU: Rome, March of the Eagles, and Crusader Kings 2 and 3) and their saved games. Source code is now hosted at https://github.com/mmyers/eug. Sponsor on Patreon: https://www.patreon.com/user?
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    Downloads: 36 This Week
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  • 6
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of...
    Downloads: 116 This Week
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  • 7
    Rescue! Max
    A 2D space real-time, action/strategy game. you are in control of a ship that you fly around space fighting enemies and making friends on your way. The main objective is to rescue people from planets and take them to star bases. its writen in java1.4.
    Downloads: 4 This Week
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  • 8
    Dune 0.97.04 Released for windows. Likely to be some bugs For older version please navigate to 0.96.4 folders. Updated clone of Westood Studios' Dune2 which uses data files from the original game. New features include multiple unit selection/control, high resolution support, multiplayer gaming, improved gui and a selection of new AI's to play against.
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    Downloads: 514 This Week
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  • 9
    Seven Kingdoms

    Seven Kingdoms

    Seven Kingdoms: Ancient Adversaries

    www.7kfans.com is working on a project to update Seven Kingdoms: Ancient Adversaries game from Enlight, now released with the GPL license.
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    Downloads: 304 This Week
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    Nonprofit Budgeting Software

    Martus Solutions provides seamless budgeting, reporting, and forecasting tools that integrate with accounting systems for real-time financial insights

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  • 10
    Mech Station Beta

    Mech Station Beta

    Mech Station Beta - Tower Defense like Game

    ...However, this feature is not yet fully implemented — it requires a server machine, which I currently don’t have due to personal circumstances. If anyone can provide a server machine or a service like Google Virtual Machine, it would be highly useful and greatly appreciated. The game is written in pure Java using a custom engine. A Java developer or designer is welcome to collaborate on the development. As the title suggests, the game is not yet finished, but it is playable. Developed solo over half a year, with 500 KB of source code and AI-generated graphics. As you can see from the screenshots, the game is designed in a pixel art style. ...
    Downloads: 0 This Week
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  • 11
    0 A.D.

    0 A.D.

    0 A.D. is a free, open-source, cross-platform real-time strategy game.

    0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
    Downloads: 85 This Week
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  • 12

    Infinite Wisdom

    Java RTS framework

    A bare bones RTS game framework. It has networking and replay support, and have some building blocks to build AI agents (discretized path finding in a continous world). Update (2025. Jun): javax.xml.bind.annotation.XmlAccessType was removed from JDKs later than 1.8. So use the project with JDKs from 1.6 to 1.8. Write in the forum if you're interested in running it on a more modern JDK. The demo program's entry point is Dom1Bootstrapper. You can download a runnable demo jar...
    Downloads: 0 This Week
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  • 13
    StarDust

    StarDust

    Real-time Strategy

    Strategy game with random levels
    Downloads: 27 This Week
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  • 14
    FreeSynd

    FreeSynd

    Cross-platform, GPL reimplementation of the classic : Syndicate

    FreeSynd is a cross-platform, GPLed reimplementation of the classic Bullfrog game, Syndicate.
    Downloads: 18 This Week
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  • 15
    Seven Kingdoms: Ambition

    Seven Kingdoms: Ambition

    An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).

    Seven Kingdoms: Ambition is a real-time game of epic strategy and empire building featuring economy management, warfare, and intrigue. It is an updated and enhanced version of 7kaa (7K: Ancient Adversaries) featuring numerous fixes and improvements. https://discord.gg/xJs99xK38G Begin with a single, modest village under your command, and an entire world to be conquered by force of arms, guile, persuasion, or whatever other means you choose. Wage open warfare on your rivals, or forge...
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    Downloads: 24 This Week
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  • 16
    Unvanquished

    Unvanquished

    Open source FPS/RTS Game

    Unvanquished is a fast-paced, futuristic FPS with RTS elements, pitting technologically advanced humans against hordes of highly adaptable aliens. The player can choose from either team, providing a fresh gameplay experience on both sides of the conflict. The game is under highly active development with new releases frequently published.
    Downloads: 3 This Week
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  • 17
    ChaosEsqueAnthology

    ChaosEsqueAnthology

    A free 3d game for PC that does not limit the player. Fight,Build,Gain

    (NOTE: Make sure to download Volume2 aswell!: http://sourceforge.net/p/chaosesqueanthologyvolume2/ ) 200+ weapons. Build-able enter-able buildings (Like an FPS RPG but with interiors) (Multi-tool/ Utili-tool). City generation (all buildings enterable). A 2 iso (6GB) exploration of what QuakeC can do. Over 100 maps included, along with map editor and sourcecode. Fully free and opensource: code and media. A modification of Xonotic which included extended weapons, maps, vehicles,...
    Downloads: 6 This Week
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  • 18
    Scorched Earth Online War

    Scorched Earth Online War

    Online War system for IL-2 Sturmovik and Iron Front in ArmA 2

    SEOW is a dynamic multiplayer campaign system for running on-line wars using the IL-2 combat simulator together with Iron Front in ArmA 2. SEOW is a free add-on for IL-2 and Iron Front in ArmA 2 released under the GNU Public Licence. For an install of SEOW, you need the MP, the DB and the DCS, 3 downloads in total. Check out the Files tab above for direct downloads.
    Downloads: 3 This Week
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  • 19
    MegaGlest

    MegaGlest

    Cross-platform real-time strategy game (3D)

    _________________________________________________________________________________________________________________________________________________________ PLEASE NOTE: Downloads and repositories have moved to GitHub at http://github.com/megaglest _________________________________________________________________________________________________________________________________________________________ MegaGlest is a free real-time strategy (RTS) game. It's fun to play in both single...
    Downloads: 2 This Week
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  • 20
    pope

    pope

    A simple gui game that plays the game bagels with users.

    BAGELS: Bagels is a deducive logic game. In order to play, you must guess a secret three digit number based on clues. This simple Python program replaces the natural human friend that you will paly with in real life. The game offers one of the following in response to your guess: Pico: When your guess has a correct digit in the wrong place. Fermi: When your guess has a correct digit in the correct place. Bagels: If your guess has no correct digits. Note: You have 10 tries to...
    Downloads: 0 This Week
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  • 21
    Transarctica Remake

    Transarctica Remake

    Open source revival of the game Transarctica / Arctic Baron

    The main goal of the project to offer the original game's full functionality. Roam a hostile frozen world in a futuristic steampunk train, fight exciting train battles and try to stay alive against all odds while searching for clues about the "Sun".
    Downloads: 5 This Week
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  • 22
    Spring RTS Engine

    Spring RTS Engine

    Spring is a free RTS engine developed for Windows, Linux and Mac OS X.

    Spring is a versatile 3D RTS game engine. Using extensively Lua for scripting game-specific code to make nearly every aspect of the engine customizable, from GUI, to unit AI, to pathfinding.
    Downloads: 49 This Week
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  • 23
    wecomeinpeace

    wecomeinpeace

    WeComeInPeace is a simple RTS game that aims towards multiplayer

    WeComeInPeace (wcip) is a simple 4x RTS game that aims towards multiplayer. The project is currently in pre-alpha phase. wcip uses the gloost framework.
    Downloads: 0 This Week
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  • 24

    intelligent thinking system solving

    An approach where computer solves problems like a human brain does;

    The intelligent, thinking systems solving project uses a method whereby the computer solves the problem in a way a biological way does. The result of this is that it can learn and emulate a behavior or strategy. Two examples of the process use the game of chess and the game of go.
    Downloads: 0 This Week
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  • 25
    Netrek is a multiplayer battle simulation game with a Star Trek theme. Up to 16 players are divided into two teams that fight each other for dominion over the galaxy.
    Downloads: 0 This Week
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