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Side-by-side comparison

Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.

Multithreaded rigid-body engine from Horizon Forbidden West, now built into Godot.

The classic 2D physics engine; the v3 rewrite brings large performance and stability gains.

NVIDIA's open-source real-time physics SDK with GPU acceleration, used in many engines and AAA titles.

Fast 2D/3D physics engine in Rust with optional determinism and JavaScript/WASM bindings.

Head to head

Metric	Jolt Physics	Box2D	PhysX	Rapier
Stars	12.2k	10.4k	4.8k	6k
Weekly downloads	n/a	n/a	n/a	66.1k
Download growth	n/a	n/a	n/a	+76%
Popularity score	75/100	73/100	67/100	63/100
Forks	1k	1.8k	684	432
Open issues	14	8	130	97
Last commit	5d ago	3w ago	1w ago	1w ago
Latest version	n/a	n/a	n/a	0.36.1Oct 10, 2026
License	MIT	MIT	BSD-3-Clause	Apache-2.0
First released	2021	2015	2022	2020
Signals	Trending	Popular	Popular	Rising
Listed in	Game Development › Physics Engines	Game Development › Physics Engines	Game Development › Physics Engines	Game Development › Physics Engines

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Jolt Physics, Box2D, PhysX.

Multithreaded rigid-body engine from Horizon Forbidden West, now built into Godot.

The classic 2D physics engine; the v3 rewrite brings large performance and stability gains.

NVIDIA's open-source real-time physics SDK with GPU acceleration, used in many engines and AAA titles.

Fast 2D/3D physics engine in Rust with optional determinism and JavaScript/WASM bindings.

Metric	Jolt Physics	Box2D	PhysX	Rapier
Stars	12.2k	10.4k	4.8k	6k
Weekly downloads	n/a	n/a	n/a	66.1k
Download growth	n/a	n/a	n/a	+76%
Popularity score	75/100	73/100	67/100	63/100
Forks	1k	1.8k	684	432
Open issues	14	8	130	97
Last commit	5d ago	3w ago	1w ago	1w ago
Latest version	n/a	n/a	n/a	0.36.1Oct 10, 2026
License	MIT	MIT	BSD-3-Clause	Apache-2.0
First released	2021	2015	2022	2020
Signals	Trending	Popular	Popular	Rising
Listed in	Game Development › Physics Engines	Game Development › Physics Engines	Game Development › Physics Engines	Game Development › Physics Engines

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Jolt Physics, Box2D, PhysX.