head to head · open source
bevy vs planck.js
bevy has 48,615 GitHub stars, 4,878 forks, 3,418 open issues and last shipped today. planck.js has 5,289 stars, 256 forks, 33 open issues and last shipped 13 days ago. bevy leads on adoption by 819% (48,615 vs 5,289 stars). bevy is written in Rust under Apache-2.0; planck.js is written in TypeScript under MIT. bevy has attracted 10% as many forks as stars, planck.js 5%. bevy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (game-development, game-engine, gamedev), 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.
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Side by side
| bevy | planck.js | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 5.3K |
| License | Apache-2.0 | MIT |
| Written in | Rust | TypeScript |
| Last push | 2026-10-05 | 2026-09-22 |
| Forks | ⑂ 4.9K | ⑂ 256 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick bevy if
- You weight community size — 49K 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 planck.js if
- You want the planck.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and planck.js 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 planck.js
planck.js is a free, open source 2D physics engine written in TypeScript for game developers building cross platform HTML5 games in JavaScript.
read the full planck.js overview →
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Frequently asked questions
Is bevy or planck.js more popular?
bevy has 48,615 GitHub stars and planck.js has 5,289. bevy has the larger community by that measure.
Are bevy and planck.js free?
Both are open source. bevy is licensed under Apache-2.0 and planck.js under MIT. Neither carries a licence fee.
What is the difference between bevy and planck.js?
bevy is written in Rust and planck.js in TypeScript. 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 planck.js?
Choose bevy if you want the larger community (48,615 stars) or its Apache-2.0 licence terms. Choose planck.js if its feature set, stack or MIT licence fits better. Both are self-hostable.