head to head · open source
bevy vs JoltPhysics
bevy has 48,433 GitHub stars, 4,870 forks, 3,418 open issues and last shipped today. JoltPhysics has 11,616 stars, 980 forks, 14 open issues and last shipped yesterday. bevy leads on adoption by 317% (48,433 vs 11,616 stars). bevy is written in Rust under Apache-2.0; JoltPhysics is written in C++ under MIT. bevy has attracted 10% as many forks as stars, JoltPhysics 8%. bevy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (game-development, game-engine), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| bevy | JoltPhysics | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 12K |
| License | Apache-2.0 | MIT |
| Written in | Rust | C++ |
| Last push | 2026-09-28 | 2026-09-27 |
| Forks | ⑂ 4.9K | ⑂ 980 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick bevy if
- You weight community size — 48K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick JoltPhysics if
- You want the JoltPhysics feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and JoltPhysics fits your workflow better
About bevy
Bevy is a free and open source, data driven game engine written in Rust that gives developers a complete 2D and 3D feature set through an Entity Component System architecture, and it is aimed at Rust programmers building games and interactive applications who accept an early stage engine that ships breaking API changes roughly every three months.
About JoltPhysics
Jolt Physics is an MIT licensed, multi core friendly rigid body physics and collision detection library written in C++, intended for games and VR applications and used by Horizon Forbidden West and Death Stranding 2: On the Beach.
read the full JoltPhysics overview →
More in Miscellaneous
Related comparisons
More Gaming projects
Compare either of these against the rest of the Gaming field.
Frequently asked questions
Is bevy or JoltPhysics more popular?
bevy has 48,433 GitHub stars and JoltPhysics has 11,616. bevy has the larger community by that measure.
Are bevy and JoltPhysics free?
Both are open source. bevy is licensed under Apache-2.0 and JoltPhysics under MIT. Neither carries a licence fee.
What is the difference between bevy and JoltPhysics?
bevy is written in Rust and JoltPhysics in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, bevy or JoltPhysics?
Choose bevy if you want the larger community (48,433 stars) or its Apache-2.0 licence terms. Choose JoltPhysics if its feature set, stack or MIT licence fits better. Both are self-hostable.