84 projects for "java open source" with 2 filters applied:

  • 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.
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  • Payments you can rely on to run smarter. Icon
    Payments you can rely on to run smarter.

    Never miss a sale. Square payment processing serves customers better with tools and integrations that make work more efficient.

    Accept payments at your counter or on the go. It’s easy to get started. Try the Square POS app on your phone or pick from a range of hardworking hardware.
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  • 1
    ursina

    ursina

    A game engine powered by python and panda3d

    ursina is an easy-to-use, open source game engine and framework for Python that is built on top of Panda3D, aiming to make game development approachable while still being powerful enough for real projects. It lets you create both 2D and 3D games, applications, and visualizations by writing concise Python scripts instead of dealing with a lot of low-level boilerplate.
    Downloads: 54 This Week
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  • 2
    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: 9 This Week
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  • 3
    Descent 3

    Descent 3

    Descent 3 by Outrage Entertainment

    The Descent3 repository is the open source release of the Descent 3 game engine by Outrage Entertainment, maintained by the community under the GPL-3.0 license. It provides the full C and C++ engine source code, including the historically significant “1.5” patch that was previously created by developers and later stabilized by fans. The codebase covers the game’s rendering, physics, audio, networking, tools, and editor components, allowing enthusiasts to build, run, and modify the classic 6-degrees-of-freedom space shooter on modern systems. ...
    Downloads: 3 This Week
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  • 4
    Spartan Engine

    Spartan Engine

    A game engine with an emphasis on real-time cutting-edge solutions

    SpartanEngine is a C++ game engine focused on cutting-edge real-time rendering and simulation, developed primarily as a long-running personal research project and now grown into a community-driven platform. It centers around a modern Vulkan renderer (with an in-progress DirectX 12 backend) and a fully bindless, unified deferred rendering pipeline designed to handle hundreds of millions of instances. The engine implements a wide range of advanced graphics features, such as atmospheric...
    Downloads: 5 This Week
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  • Create and run cloud-based virtual machines. Icon
    Create and run cloud-based virtual machines.

    Secure and customizable compute service that lets you create and run virtual machines.

    Computing infrastructure in predefined or custom machine sizes to accelerate your cloud transformation. General purpose (E2, N1, N2, N2D) machines provide a good balance of price and performance. Compute optimized (C2) machines offer high-end vCPU performance for compute-intensive workloads. Memory optimized (M2) machines offer the highest memory and are great for in-memory databases. Accelerator optimized (A2) machines are based on the A100 GPU, for very demanding applications.
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  • 5
    Clay

    Clay

    High performance UI layout library in C

    Clay (short for “C Layout”) is a high-performance 2D UI layout library in C, offering a declarative, Flexbox-like layout model with microsecond performance. It features a single-header design, zero dependencies, and support for WebAssembly, making it lightweight yet powerful for responsive UI rendering. The Clay macro by default accepts an ID as its first argument, which is usually provided by the CLAY_ID() convenience macro. Elements can also be created with auto-generated IDs, by using the...
    Downloads: 3 This Week
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  • 6
    Godot Minimal Theme

    Godot Minimal Theme

    Godot Minimal Theme

    ...By offering a well-tuned default set of UI parameters (color scheme, font recommendations, layout tweaks), it saves users the trouble of configuring their own setup — and ensures consistency across different projects or machines. Because it’s open source, users can further customize or fork it to suit their personal preferences.
    Downloads: 1 This Week
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  • 7
    Planck.js

    Planck.js

    2D JavaScript Physics Engine

    Planck.js is a JavaScript rewrite/port of the physics engine Box2D, designed to provide 2D rigid-body physics simulation usable directly in web contexts or any JavaScript environment. By offering collision detection, rigid-body dynamics, joints, and simulation capabilities, Planck.js makes it possible for developers to build physically realistic 2D games, simulations, or visualizations in browsers or Node.js without relying on native code. Its API mirrors Box2D’s concepts — bodies, fixtures,...
    Downloads: 2 This Week
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  • 8
    F·W·K

    F·W·K

    3D game engine/framework in C, with Luajit and Python bindings now

    3D game framework in C, with Luajit and Python bindings now.
    Downloads: 0 This Week
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  • 9
    Mach Engine

    Mach Engine

    Zig game engine & graphics toolkit

    Mach is a game engine and graphics toolkit written in Zig, built with the goal of enabling high-performance, truly cross-platform 2D, 3D, GUI, and visualization applications. The project aims to deliver a modular, robust foundation where graphics, input, windowing, and rendering are unified under a modern, low-level but ergonomic API. Because Mach is written in Zig (with some shader code / WGSL), it leverages Zig’s performance and modern systems-level features while offering safe-ish...
    Downloads: 0 This Week
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  • Comet Backup - Fast, Secure Backup Software for MSPs Icon
    Comet Backup - Fast, Secure Backup Software for MSPs

    Fast, Secure Backup Software for Businesses and IT Providers

    Comet is a flexible backup platform, giving you total control over your backup environment and storage destinations.
    Learn More
  • 10
    Cube 2: Sauerbraten (game engine & FPS)
    3D game engine (more powerful redesign of the Cube engine) and FPS game
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    Downloads: 777 This Week
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  • 11
    GemRB Game Engine

    GemRB Game Engine

    GemRB is a portable open-source implementation of the Infinity Engine

    GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware's Infinity Engine. It was written to support pseudo-3D role playing games based on the Dungeons & Dragons ruleset (Baldur's Gate and Icewind Dale series, Planescape: Torment). It should run on GNU/Linux, Microsoft Windows, OS X, possibly other UNIX derivatives and more. It is licensed under the GPL.
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    Downloads: 203 This Week
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  • 12
    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.
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    Downloads: 7 This Week
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  • 13
    ArcadeGPU

    ArcadeGPU

    A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented

    ArcadeGPU is a high performance WebGPU game engine inspired by classic techniques that made retro games legendary. Explore demos: https://aliyah-corp.github.io/
    Downloads: 32 This Week
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  • 14
    Castle Game Engine

    Castle Game Engine

    Game engine supporting many 3D/2D formats and graphic effects

    This project has moved to: - Our website https://castle-engine.io/ - GitHub repo: https://github.com/castle-engine/castle-engine/ Cross-platform 3D and 2D game engine for Object Pascal. Rendering and processing of game assets in glTF, X3D, VRML, Collada, Spine and other formats. Many graphic effects including shadows, shaders, mirrors, screen effects. Animation, collision detection, 3D sound. Extensible system of 3D objects, with out-of-the-box levels, items, intelligent creatures...
    Downloads: 9 This Week
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  • 15
    Mingro

    Mingro

    Old-school 2D game engine

    An old-school game engine, much like good old ID and Apogee games as Duke Nukem, Commander Keen and Biomenace, slightly inspired by Diana Gruber's "Action Arcade Adventure Set". Made with Allegro.pas and programmed in Pascal.
    Downloads: 2 This Week
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  • 16
    Orx: Portable Game Engine

    Orx: Portable Game Engine

    Orx: Portable Game Engine

    Orx is a portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine. As orx is data driven, it allows users to create games with a small number of lines of code and reduces drastically the development time.
    Downloads: 1 This Week
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  • 17
    Pentagram
    A game engine for running Ultima 8 on modern operating systems.
    Downloads: 0 This Week
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  • 18
    Ambient

    Ambient

    The multiplayer game engine

    Ambient is an open-source, cross-platform runtime and engine for building and deploying high-performance multiplayer games and 3D applications, using a modern stack built on Rust, WebAssembly (WASM), and WebGPU. It aims to make multiplayer game development accessible and flexible, providing an entity-component-system (ECS) at its core that doubles as a real-time in-game database; everything in the game — from world objects to runtime data — is represented as entities + components, which can be synchronized across clients automatically. ...
    Downloads: 1 This Week
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  • 19

    Gester

    A game engine for console based text games

    Gester is a game engine for console based text game. You make text based games easily using Gester. These games can be played by using the 'gest' command. The 'gest' command will invoke the game engine which will read the game script file (.gest file) and present the game on the command line Install Gester using pip: "pip install gester" See our PyPI page for more details: https://pypi.org/project/gester
    Downloads: 0 This Week
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  • 20
    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...
    Downloads: 2 This Week
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  • 21

    Classic Video-Audio Presentation

    A Tile-based Game Engine written in C# mimicing retro consoles.

    The CVAP game engine is a low-level framework for producing tilemapped games akin to classical consoles such as the Super NES or the Sega Genesis. It is written to provide video, audio, and input support analagous to these systems.
    Downloads: 0 This Week
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  • 22
    Rails: an 18xx game system
    Rails is a Java game engine intended to play any of the 18xx series of turn-based board games For 3-6 players and set in the 19th century, these games allow players to step into the shoes of the robber barons and railroad tycoons of the time period..
    Downloads: 4 This Week
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  • 23
    Haxima is an Ultima-like game engine (2D tile graphics) with combat, magic, NPC AI, an embedded scripting language, and in-game editing.
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    Downloads: 5 This Week
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  • 24
    VASSAL Engine
    VASSAL is a game engine for creating electronic versions of traditional board and card games. It provides support for game piece rendering and interaction, and supports play by email or over a live connection.
    Downloads: 24 This Week
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  • 25
    Amazon Lumberyard

    Amazon Lumberyard

    Amazon Lumberyard is a free AAA game engine

    ...Although Amazon has since archived the repository and transitioned focus to the open-source successor Open 3D Engine (O3DE), the project remains of interest as a large-scale example of cloud-enabled game engine architecture. Developers studying game tech or infrastructure integration can inspect how the engine’s subsystems were designed, including entity/component architectures, rendering pipelines and networked game services.
    Downloads: 15 This Week
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