Showing 19141 open source projects for "java open source"

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    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

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  • 1
    PixiJS

    PixiJS

    The HTML5 Creation Engine

    PixiJS is a fast and lightweight 2D rendering library that lets you create rich, interactive graphics, cross platform applications, and HTML5 games even without prior knowledge of WebGL. It’s a fantastic tool for creating rich, interactive content and with built-in cross platform compatibility and graceful degradation, there’s less work for you and more space for fun and creativity! PixiJS works across all devices and is incredibly fast. If you want to create exceptional experiences without...
    Downloads: 20 This Week
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  • 2
    Impostor

    Impostor

    An open source reimplementation of the Among Us Server

    Impostor is an open source reimplementation of the Among Us Server, written in C#. It is among the first Among Us private servers with support for Steam, Itch, Android and iOS. It is a full replacement of the game's official server, so you can expect all of the game's features to be included, and the same fun playing experience. The difference of course is that you get to play on a private and secure server.
    Downloads: 10 This Week
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  • 3
    Panda3D

    Panda3D

    Powerful, mature open-source cross-platform game engine for Python

    Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU. Panda3D is a game engine, a framework for 3D rendering and game development for Python and C++ programs. Panda3D is open-source and free for any purpose, including commercial ventures, thanks to its liberal license. To learn more about Panda3D's capabilities, visit the gallery and the feature list.
    Downloads: 8 This Week
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  • 4
    Switch theme injector

    Switch theme injector

    Create custom themes for the Nintendo Switch

    The Switch theme injector project is split into three parts. Switch theme injector (Windows app): An app to create and edit custom themes. NXThemes installer: An homebrew app that runs on the switch itself and can be used to install and manage themes. Switch theme injector online (also called WebInjector): A port of the Windows injector as a web app, it lacks some features like custom applet icons and common.szs layouts support. The main objective is to develop a complete toolset to create...
    Downloads: 23 This Week
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

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  • 5
    Pokemon Unity

    Pokemon Unity

    A framework to build Pokémon RPG games

    A framework to build Pokémon RPG games. I use IIcolour Spectrum's original Pokemon Unity as a base with Herbertmilhomme's framework. So far, this project use wrapper ( Legacy <=> Framework ), and in the future, I want to remove the wrapper. This project is playable, but it has some issues and some features are disabled. Use Unity Hub or Editor to import this project's folder (/Pokemon Unity). Build and run the project. There are also demos for Windows, Linux, and Mac zipped in Releases!...
    Downloads: 11 This Week
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  • 6
    Babylon.js

    Babylon.js

    Open game and rendering engine packed into a JavaScript framework

    Our mission is to create one of the most powerful, beautiful, and simple Web rendering engines in the world. Our passion is to make it completely open and free for everyone. We are artists, developers, creators, and dreamers and we want to make it as simple as possible to enable everyone to bring their ideas to life. With this new version of Babylon.js, we set out to make it even easier to develop with. From a ton of new tools, to improved workflows and features, new documentation and more,...
    Downloads: 18 This Week
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  • 7
    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: 11 This Week
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  • 8
    Open Heroes

    Open Heroes

    tour based strategic game

    Tour based strategic game. Similar to Heroes of M&M, but different. You can play this game under http://heroes.ca7.eu/
    Downloads: 0 This Week
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  • 9
    SlopeCraft

    SlopeCraft

    Map Pixel Art Generator for Minecraft

    SlopeCraft is a tool designed to generate 3D pixel art maps for Minecraft. Utilizing Qt, Eigen, and zlib, it allows users to convert images into Minecraft-compatible maps, enabling the creation of intricate pixel art within the game environment. SlopeCraft stands out by offering features that differentiate it from similar tools like SpriteCraft.
    Downloads: 9 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
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  • 10
    Monocraft

    Monocraft

    A programming font based on the typeface used in Minecraft

    Monocraft is a font for developers who like Minecraft a little too much. Featuring monospaced characters and tasteful ligatures, I've carefully designed each glyph in Monocraft to be usable in a dev environment while preserving that Minecraft charm. Try it out today and discover why nobody has ever done this before! The characters in this font were based on the typeface used in the Minecraft UI, with a select few glyphs updated for better readability and spacing. Each character has been...
    Downloads: 15 This Week
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  • 11
    Playnite

    Playnite

    Video game library manager with support for wide range of libraries

    Link games from Steam, Epic, Origin, GOG, Battle.net, Ubisoft Connect and other services, including games that are not installed! Playnite supports a wide variety of console emulators. Playnite's look can be fully customized, from simple color changes to complete layout re-designs. Playnite's functionality can be extended with plugins and script extensions. Fullscreen mode with full controller support is available. Playnite tracks your time in-game (any game including emulated ones)....
    Downloads: 13 This Week
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  • 12
    PlayCanvas Engine

    PlayCanvas Engine

    Fast and lightweight JavaScript game engine built on WebGL and glTF

    PlayCanvas is an open-source game engine. It uses HTML5 and WebGL to run games and other interactive 3D content in any mobile or desktop browser. PlayCanvas is used by leading companies in video games, advertising and visualization such as Animech, Arm, BMW, Disney, Facebook, Famobi, Funday Factory, IGT, King, Miniclip, Leapfrog, Mojiworks, Mozilla, Nickelodeon, Nordeus, NOWWA, PikPok, PlaySide Studios, Polaris, Product Madness, Samsung, Snap, Spry Fox, Zeptolab, Zynga. ...
    Downloads: 12 This Week
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  • 13
    Luanti

    Luanti

    Voxel game-creation platform with easy modding and game creation

    Luanti, originally known as Minetest, is a free, open-source voxel game engine and platform designed to let players, modders, and developers build and play diverse sandbox-style 3D worlds. Written in C++ for core performance and Lua for scripting, Luanti runs on multiple operating systems (Windows, macOS, Linux, BSD variants and even Android), making it highly accessible and cross-platform.
    Downloads: 14 This Week
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  • 14
    DevilutionX

    DevilutionX

    Diablo build for modern operating systems

    DevilutionX is a port of Diablo and Hellfire that strives to make it simple to run the game while providing engine improvements, bugfixes, and some optional quality-of-life features. Check out the manual for what features are available and how best to take advantage of them. You'll need access to the data from the original game. If you don't have an original CD then you can buy Diablo from GoG. Alternatively you can use spawn.mpq from the shareware version, in place of DIABDAT.MPQ, to play...
    Downloads: 12 This Week
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  • 15
    Pyxel

    Pyxel

    A retro game engine for Python

    ...The motivation for the development of Pyxel is the feedback from users. Please give Pyxel a star on GitHub! Pyxel's specifications and APIs are inspired by PICO-8 and TIC-80. Pyxel is open source and free to use. Let's start making a retro game with Pyxel! Runs on Windows, Mac, Linux, and Web. Using the Pyxel Web Launcher or custom elements for HTML, you can run Pyxel in a web browser without any installation work. Pyxel supports a dedicated application distribution file format (Pyxel application file) that works across platforms. 8 musics that can combine arbitrary sounds.
    Downloads: 8 This Week
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  • 16
    GT New Horizons Mod Pack

    GT New Horizons Mod Pack

    New Modpack with Gregtech, Thaumcraft and Witchery

    You are looking at a big progressive kitchensink pack for Minecraft 1.7.10 balanced around the mod GregTech. Over 9 years of development (and still going) have formed a balance and refinement that only a handful of packs can keep up with. We are talking about thousands of recipe tweaks, a massive questbook with over 3000 quests, unique world generation, custom mods coded for the pack, custom Thaumonomicon pages, and many more. The main intentions of the pack are a long-lasting experience and...
    Downloads: 17 This Week
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  • 17
    ioquake3

    ioquake3

    The ioquake3 community effort to continue supporting/developing id's

    ioquake3 is a free and open source first-person shooter engine derived from the Quake 3: Arena and Quake 3: Team Arena source code, maintained as a modern baseline engine for new games and classic mods. It is designed to let players run Quake 3, its expansion Team Arena, and community mods on contemporary systems while also serving as a solid base for new projects.
    Downloads: 10 This Week
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  • 18
    Redot Engine

    Redot Engine

    Multi-platform 2D and 3D game engine

    ...Because it’s open-source, Redot-Engine is potentially community-driven, allowing anyone to inspect, extend, or customize core functionalities. Its modularity and open nature make it attractive for indie developers or hobbyists who want to avoid heavyweight engines with lots of built-in assumptions. Even if the engine may not yet rival more mature engines in features or polish, its openness and design philosophy can offer an appealing balance between simplicity and flexibility.
    Downloads: 7 This Week
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  • 19
    Jazz2

    Jazz2

    Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2

    jazz2 is a reverse engineering and decompilation project of Jazz Jackrabbit 2, the iconic 2D platformer developed by Epic MegaGames in the late 1990s. This ambitious project aims to recreate the original game from its binary form into readable and compilable C++ code. By doing so, it opens the door for native builds, modding, bug fixing, and potential enhancements beyond the limitations of the original closed-source game. The project is valuable for preservation, educational insight into...
    Downloads: 6 This Week
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  • 20
    mcrcon

    mcrcon

    Rcon client for Minecraft

    mcrcon is console-based Minecraft rcon client for remote administration and server maintenance scripts. A remote console administration tool for Minecraft servers that enables automated server management via RCON protocol.
    Downloads: 7 This Week
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  • 21
    Lutris

    Lutris

    Lutris desktop client in Python

    ...Get direct access to your Steam, Epic Games Store, GOG and Humble Bundle game libraries from the Lutris client to seamlessly launch games from a single location. Built only using open source technology, Lutris leverages the power of Linux and Vulkan to give you a stable platform to host your games.
    Downloads: 9 This Week
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  • 22
    Habitica

    Habitica

    A habit tracker app which treats your goals like a Role Playing Game

    Get motivated to achieve your goals. Now is the time to have fun while completing your tasks! Join more than 4 million Habiticans and improve your life one task at a time. Habitica is a free habit building and productivity app that takes your real life as a game. With in-game rewards and punishments to motivate you and a strong social network to inspire you, Habitica can help you achieve your goals to be healthy, hardworking, and happy. Stay responsible by following and maintaining your...
    Downloads: 15 This Week
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  • 23
    Matter.js

    Matter.js

    A 2D rigid body physics engine for the web

    Matter.js is a flexible 2D rigid body physics engine written in JavaScript, designed for use in web applications to simulate real-world physical interactions within the browser. It offers a comprehensive set of physics features like gravity, collisions, restitution (bounces), friction, sleeping bodies, and constraint systems that enable developers to build interacting objects with realistic motion. This engine can power everything from dynamic interactive animations and educational...
    Downloads: 10 This Week
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  • 24
    FlyByWire Simulations A32NX

    FlyByWire Simulations A32NX

    The A32NX & A380X Project are community driven open source projects

    A community-built and maintained project aiming to provide high-quality and detailed aircraft for Microsoft Flight Simulator. Our custom-built, open-source installer is where we keep our projects for you to easily install. Pick which branch you want to install, and the installer will automatically download it into the proper folder.
    Downloads: 4 This Week
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  • 25
    osu!framework

    osu!framework

    A game framework written with osu! in mind.

    A game framework written with osu! in mind. If you are interested in creating a project using the framework, please start from the getting started wiki resources (or jump straight over to the project templates). You can either start off from an empty project, or take a peek at a working sample game. Either way, full project structure, cross-platform support, and a testing setup are included! This framework is intended to take steps beyond what you would normally expect from a game framework....
    Downloads: 12 This Week
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