head to head · open source
bevy vs NettyGameServer
bevy has 48,511 GitHub stars, 4,872 forks, 3,418 open issues and last shipped yesterday. NettyGameServer has 1,673 stars, 672 forks, 3 open issues and last shipped 6 months ago. bevy leads on adoption by 2,800% (48,511 vs 1,673 stars). bevy is written in Rust under Apache-2.0; NettyGameServer is written in Java under GPL-3.0. bevy has attracted 10% as many forks as stars, NettyGameServer 40%. 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-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.
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Side by side
| bevy | NettyGameServer | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 1.7K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Rust | Java |
| Last push | 2026-09-30 | 2026-04-14 |
| Forks | ⑂ 4.9K | ⑂ 672 |
| 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 NettyGameServer if
- You want the NettyGameServer feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and NettyGameServer 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 NettyGameServer
NettyGameServer is a Java, GPL 3.0 licensed distributed mobile game server built on Netty 4.X that gives backend teams TCP, UDP, HTTP and WebSocket entry points, protobuf based protocol handling and sharded, Redis cached MySQL persistence in one starting point.
read the full NettyGameServer overview →
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Frequently asked questions
Is bevy or NettyGameServer more popular?
bevy has 48,511 GitHub stars and NettyGameServer has 1,673. bevy has the larger community by that measure.
Are bevy and NettyGameServer free?
Both are open source. bevy is licensed under Apache-2.0 and NettyGameServer under GPL-3.0. Neither carries a licence fee.
What is the difference between bevy and NettyGameServer?
bevy is written in Rust and NettyGameServer in Java. 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 NettyGameServer?
Choose bevy if you want the larger community (48,511 stars) or its Apache-2.0 licence terms. Choose NettyGameServer if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.