head to head · open source
bevy vs UeCore
bevy has 48,615 GitHub stars, 4,878 forks, 3,418 open issues and last shipped today. UeCore has 851 stars, 236 forks, 33 open issues and last shipped 8 months ago. bevy leads on adoption by 5,613% (48,615 vs 851 stars). bevy is written in Rust under Apache-2.0; UeCore is written in C++ under GPL-3.0. bevy has attracted 10% as many forks as stars, UeCore 28%. 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 | UeCore | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 851 |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Rust | C++ |
| Last push | 2026-10-05 | 2026-01-30 |
| Forks | ⑂ 4.9K | ⑂ 236 |
| 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 UeCore if
- You want the UeCore feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and UeCore 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 UeCore
UeCore (Universe Engine Core) is a GPL 3.0 open source World of Warcraft server engine written in C++, aimed at server operators, engine developers and researchers who want to run or modify a classic era MMO game server.
read the full UeCore overview →
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Frequently asked questions
Is bevy or UeCore more popular?
bevy has 48,615 GitHub stars and UeCore has 851. bevy has the larger community by that measure.
Are bevy and UeCore free?
Both are open source. bevy is licensed under Apache-2.0 and UeCore under GPL-3.0. Neither carries a licence fee.
What is the difference between bevy and UeCore?
bevy is written in Rust and UeCore 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 UeCore?
Choose bevy if you want the larger community (48,615 stars) or its Apache-2.0 licence terms. Choose UeCore if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.