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The best Jolt Physics alternatives

6 tools that do a similar job to Jolt Physics, 6 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

You're replacing

Jolt Physics

A C++ library for simulating solid objects, collisions, and physical constraints in games and VR.

  1. 1

    Box2D

    Open source · MIT · ★ 10.5k

    A 2D physics engine in C that game developers embed to simulate bodies, collisions, and joints.

    Best for: Game developers building 2D games who want a ready-made physics solver; Developers who work in C, or in languages that can call C such as Zig and Swift

    Full review Jolt Physics vs Box2D
  2. 2

    Matter.js

    Open source · MIT · ★ 18.6k

    A JavaScript library for simulating 2D solid objects that collide, bounce and stack in the browser.

    Best for: Web developers adding physics-based motion to a canvas or web page; Hobbyists building small 2D browser games or interactive demos

    Full review Jolt Physics vs Matter.js
  3. 3

    A-Frame

    Open source · MIT · ★ 17.7k

    A web framework for building browser-based 3D, AR and VR experiences using HTML.

    Best for: Web developers who want to add 3D or VR scenes to a website; Educators and artists experimenting with immersive content in the browser

    Full review Jolt Physics vs A-Frame
  4. 4

    EnTT

    Open source · MIT · ★ 13.2k

    A header-only C++ library for entity-component systems and other game-programming tools.

    Best for: C++ game developers who want an ECS; Developers building simulations or engines who need a data-oriented entity store

    Full review Jolt Physics vs EnTT
  5. 5

    Flame

    Open source · MIT · ★ 10.8k

    A game engine for building 2D games with Flutter and Dart.

    Best for: Flutter developers who want to add a game to an app; Developers making 2D games in Dart

    Full review
  6. 6

    PlayCanvas

    Open source · MIT · ★ 17.2k

    A JavaScript 3D game engine that runs in any web browser using WebGL2 or WebGPU.

    Best for: Web developers who want to add 3D scenes or games to a website; Developers building AR or VR experiences that run in the browser via WebXR

    Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Jolt Physics. We don't take payment for placement.