head to head · open source
bevy vs s&box
bevy has 48,268 GitHub stars, 4,846 forks, 3,418 open issues and last shipped yesterday. s&box has 6,468 stars, 671 forks, 2,406 open issues and last shipped yesterday. bevy leads on adoption by 646% (48,268 vs 6,468 stars). bevy is written in Rust under Apache-2.0; s&box is written in C# under a custom or non-standard licence. bevy has attracted 10% as many forks as stars, s&box 10%. bevy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | s&box | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 6.5K |
| License | Apache-2.0 | Custom / other |
| Written in | Rust | C# |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 4.8K | ⑂ 671 |
| 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 s&box if
- You want the s&box feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches C#
- You evaluated both and s&box 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 s&box
s&box is a modern game engine built on Valve's Source 2 and the latest .NET technology, offering a modern intuitive editor for creating games, and it is aimed at game creators who want to build and play games inside an engine that runs live, alongside the contributors who compile the engine itself from source.
read the full s&box overview →
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Frequently asked questions
Is bevy or s&box more popular?
bevy has 48,268 GitHub stars and s&box has 6,468. bevy has the larger community by that measure.
Are bevy and s&box free?
Both are open source. bevy is licensed under Apache-2.0, and s&box has no licence declared in this registry. Both are free to self-host.
What is the difference between bevy and s&box?
bevy is written in Rust and s&box 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 s&box?
Choose bevy if you want the larger community (48,268 stars) or its Apache-2.0 licence terms. Choose s&box if its feature set, stack or Custom / other licence fits better. Both are self-hostable.