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