Showing 481 open source projects for "rules engine java"

View related business solutions
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

    Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.
    Download Free Tool
  • 1
    jMonkeyEngine

    jMonkeyEngine

    A complete 3-D game development suite written in Java

    jMonkeyEngine is a 3-D game engine for adventurous Java developers. It’s open-source, cross-platform, and cutting-edge. v3.6.1 is the latest stable version of the engine. The engine is used by several commercial game studios and computer-science courses.
    Downloads: 33 This Week
    Last Update:
    See Project
  • 2
    Goonstation

    Goonstation

    Repository for the Goonstation branch of SS13

    Goonstation is a community-maintained branch of the classic Space Station 13 (SS13) game, built on the BYOND / DMM / DM engine and custom code, with extensive maps, gameplay mechanics, user interfaces, and game modes. The repository houses the full game code, assets (maps, sound, icons, interface), configuration, and tools for running and contributing to a Goonstation server. It aims to offer a stable, feature-rich, roleplay/game environment with many custom systems (e.g., unique mechanics, items, server rules) layered atop the SS13 engine.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    XMage

    XMage

    Magic Another Game Engine

    XMage allows you to play Magic against one or more online players or computer opponents. It includes full rules enforcement for over 20 000 unique cards and more than 50.000 reprints from different editions. You can also find custom sets like Star Wars. All regular sets have nearly all implemented cards. It supports single matches and tournaments with dozens game modes like duel, multiplayer, standard, modern, commander, pauper, oathbreaker, historic, freeform and much more. Local server...
    Downloads: 9 This Week
    Last Update:
    See Project
  • 4
    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. Rather than being a single game, Luanti is meant as an engine and toolkit: individual “games” are actually collections of mods — written in Lua — that define terrain, items, NPCs, mechanics, and rules. ...
    Downloads: 18 This Week
    Last Update:
    See Project
  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 5
    VulkanMod

    VulkanMod

    Vulkan renderer mod for Minecraft

    This is a fabric mod that introduces a brand new Vulkan-based voxel rendering engine to Minecraft Java in order to both replace the default OpenGL renderer and bring performance improvements.
    Downloads: 53 This Week
    Last Update:
    See Project
  • 6
    Sodium

    Sodium

    A Minecraft mod designed to improve frame rates

    Sodium is a powerful rendering engine and optimization mod for the Minecraft client which improves frame rates and reduces micro-stutter while fixing many graphical issues in Minecraft. A Minecraft mod designed to improve frame rates and reduce micro-stutter.
    Downloads: 126 This Week
    Last Update:
    See Project
  • 7
    OGRE

    OGRE

    scene-oriented, flexible 3D engine (C++, Python, C#, Java)

    OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce games and demos utilizing 3D hardware. The class library abstracts all the details of using the underlying system libraries like Direct3D and OpenGL and provides an interface based on world objects and other intuitive classes. We consider the results of our GL3Plus RenderSystem as the gold standard. The respective...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    Excalibur

    Excalibur

    An easy to use 2D HTML5 game engine written in TypeScript

    An open-source 2D HTML5 game engine. Excalibur was built from the ground up for TypeScript, a typed superset of JavaScript that feels familiar to C#, Java, and other strongly-typed languages. This makes Excalibur code clean, readable, and maintainable. Excalibur has a fully-documented API reference that is automatically kept up-to-date with every version, including the main code branch.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 9
    FXGL

    FXGL

    Java/JavaFX/Kotlin Game Library (Engine)

    No installation or setup required. "Out of the box": Java 8-17, Win/Mac/Linux/Android 8+/iOS 11.0+/Web. Simple and clean API, higher level than other engines. Superset of JavaFX, no need to learn new UI API. Real-world game development techniques, entity-component, interpolated animations, particles, and many more. Games are easily packaged into a single executable .jar or native images. Any 2D game (side-scroller/platformer/arcade/RPG). Any business application with complex UI...
    Downloads: 2 This Week
    Last Update:
    See Project
  • 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.
    Learn More
  • 10
    ViZDoom

    ViZDoom

    Doom-based AI research platform for reinforcement learning

    ViZDoom allows developing AI bots that play Doom using only the visual information (the screen buffer). It is primarily intended for research in machine visual learning, and deep reinforcement learning, in particular. ViZDoom is based on ZDOOM, the most popular modern source-port of DOOM. This means compatibility with a huge range of tools and resources that can be used to create custom scenarios, availability of detailed documentation of the engine and tools and support of Doom community....
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    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. ...
    Leader badge
    Downloads: 197 This Week
    Last Update:
    See Project
  • 12
    G3D Innovation Engine
    G3D is a commercial-grade C++ 3D engine. It is used in commercial games, research papers, military simulators, and university courses. G3D supports real-time rendering, off-line rendering like ray tracing, and general purpose computation on GPUs. As of January 16, 2018, SourceForge is again the home of the active repository for G3D.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 13

    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?
    Leader badge
    Downloads: 50 This Week
    Last Update:
    See Project
  • 14
    CoffeeMud

    CoffeeMud

    Full featured MUD server with all the trimmings.

    CoffeeMud is a text-based virtual reality game engine (a MUD). It is a mature, full-featured Java codebase. It includes web (HTTP) and email (SMTP) servers, chat (IMC2 and I3) and web clients, and supports ANSI, MXP, and MSP.
    Leader badge
    Downloads: 8 This Week
    Last Update:
    See Project
  • 15
    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: 1 This Week
    Last Update:
    See Project
  • 16
    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: 7 This Week
    Last Update:
    See Project
  • 17
    Nuclear Interstellar Liquidation Squad

    Nuclear Interstellar Liquidation Squad

    Fast-paced side-scrolling space shooter

    In this retro-style shooter, you command the last remaining battle ship of the Nuclear Interstellar Liquidation Squad. You have to destroy the vicious aliens from the planet Yuggoth - the fate of the whole universe is at stake! This game originated as the first demo project of VatraLib, the game engine it was developed with.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Delphi : VRCalc++ and more Binary Exec

    Delphi : VRCalc++ and more Binary Exec

    Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)

    Vincent Radio {Adrix.NT} Embarcadero : Delphi : Executable Binaries Delphi : VRCalc++ Object Oriented Scripting Language : Engine + Ext Libraries VRCalc++ OOSL Visual Stage Project : VCL & FMX (FireMonkey) VRCalc++ Script Executor: - VCL Console - Terminal Console - FMX Console + VRCalc++ OOSL : VR System Scripted Standard Runtime Library Delphi Applics - VR Multi Editor : Smart Text Editor - VR Lazy Code Editor : Smart RTF Multi Lang Code Text Editor - VR Astro Vision : Astrology Program - VR Free Chess 2D : Chess Game Program - VR Mosaic : Puzzle Resolver Program (VCL, FMX) - VR Blocks game - VRGraphStage - VR TTT OX game - Embarcadero Binary Runtime Libraries - VR Binary Runtime Libraries for Delphi & C++Builder - Visual Styles Java Applications - Analog Clock - VR Hanoi Towers - VR Rects World Sample - VR Free Chess 2D - VR Mosaic with auto resolver - Action/Entity Model Test includes installation instructions adrixnt@hotmail.it
    Downloads: 3 This Week
    Last Update:
    See Project
  • 19
    MekWars
    MekWars is a chat and campaign engine for MegaMek. Players join MekWars servers to find opponents for MegaMek games. MekWars servers can be configured to run campaigns and scenarios - tracking player's units, experience and funds.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Xonotic

    Xonotic

    Superproject containing build scripts and tools to download assets

    Xonotic is a free, open-source arena-style first-person shooter video game that emphasizes fast-paced movement, skill-based combat, and a diverse arsenal, with gameplay reminiscent of classic shooters like Quake and Unreal Tournament. Born as a community fork of the Nexuiz project to preserve open development principles, Xonotic runs on an enhanced version of the DarkPlaces engine and supports Windows, macOS, and Linux platforms with no installation required beyond extracting the game files....
    Downloads: 4 This Week
    Last Update:
    See Project
  • 21
    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...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    OpenArena is a 3d game creation engine. It is a rendering system that can be used for more than just games but it is targeted at games. The basic use being create some game media textures models maps and config files for physics and rules.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 23
    boardgame.io

    boardgame.io

    State Management and Multiplayer Networking for Turn-Based Games

    The project implements a lightweight but powerful engine for creating turn-based games (board games, card games, turn-based strategy, etc.) in JavaScript. With boardgame.io, you define the game logic in pure functions: you describe how the game state changes when a move is made, and the framework handles all the rest (state management, synchronization, storage, multiplayer, etc.). This abstraction lets developers focus on the rules and mechanics rather than on networking, persistence or UI plumbing. ...
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    Phosphor (for Fabric)

    Phosphor (for Fabric)

    A Fabric mod designed to improve the performance of Minecraft

    Phosphor is a free and open-source Minecraft mod (under GNU GPLv3) aiming to save your CPU cycles and improve performance by optimizing one of Minecraft's most inefficient areas-- the lighting engine. It works on both the client and server and can be installed on servers without requiring clients to also have the mod. The mod is designed to be as minimal as possible in the changes it makes, and as such, does not modify the light model or interfaces of vanilla Minecraft. Because of this,...
    Downloads: 7 This Week
    Last Update:
    See Project
  • 25
    Valence

    Valence

    A Rust framework for building Minecraft servers

    Rust framework for building Minecraft: Java Edition servers. Built on top of Bevy ECS, Valence is an effort to create a Minecraft-compatible server completely from scratch in Rust. You can think of Valence as a game engine for Minecraft servers. It doesn't do much by default, but by writing game logic yourself and leveraging Bevy's powerful plugin system, you can make almost anything.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next