head to head · open source
bevy vs entt
bevy has 48,364 GitHub stars, 4,858 forks, 3,418 open issues and last shipped today. entt has 13,139 stars, 1,117 forks, 12 open issues and last shipped yesterday. bevy leads on adoption by 268% (48,364 vs 13,139 stars). bevy is written in Rust under Apache-2.0; entt is written in C++ under MIT. bevy has attracted 10% as many forks as stars, entt 9%. bevy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (game-development), 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 | entt | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 13K |
| License | Apache-2.0 | MIT |
| Written in | Rust | C++ |
| Last push | 2026-09-25 | 2026-09-24 |
| Forks | ⑂ 4.9K | ⑂ 1.1K |
| 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 entt if
- You want the entt feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and entt 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 entt
EnTT is a header only, MIT licensed library written in modern C++ that provides a fast entity component system (ECS) for game programming and more, aimed at game, engine and data oriented developers who want the ECS architectural pattern without adopting a full framework.
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Frequently asked questions
Is bevy or entt more popular?
bevy has 48,364 GitHub stars and entt has 13,139. bevy has the larger community by that measure.
Are bevy and entt free?
Both are open source. bevy is licensed under Apache-2.0 and entt under MIT. Neither carries a licence fee.
What is the difference between bevy and entt?
bevy is written in Rust and entt 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 entt?
Choose bevy if you want the larger community (48,364 stars) or its Apache-2.0 licence terms. Choose entt if its feature set, stack or MIT licence fits better. Both are self-hostable.