head to head · open source
GDevelop vs wasmi
GDevelop has 28,355 GitHub stars, 1,641 forks, 633 open issues and last shipped yesterday. wasmi has 2,341 stars, 379 forks, 48 open issues and last shipped yesterday. GDevelop leads on adoption by 1,111% (28,355 vs 2,341 stars). GDevelop is written in JavaScript under a custom or non-standard licence; wasmi is written in Rust under Apache-2.0. GDevelop has attracted 6% as many forks as stars, wasmi 16%. wasmi 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
| GDevelop | wasmi | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 2.3K |
| License | Custom / other | Apache-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.6K | ⑂ 379 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GDevelop if
- You weight community size — 28K stars and counting
- You want the Custom / other license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick wasmi if
- You want the wasmi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and wasmi fits your workflow better
About GDevelop
GDevelop is a full featured, no code, open source game development software. You can build 2D, 3D and multiplayer games for mobile (iOS, Android), desktop and the web. GDevelop is designed to be fast and incredibly intuitive: make games using an easy to understand yet powerful event based system and modular behaviors. Create with AI that assists or builds alongside you. Getting started Are you interested in contributing to GDevelop for the first time? Take a look at the list of good first issues , good first contributions or the "🏐 not too hard" cards on the Roadmap. Games made with GDevelop Find GDevelop games…
read the full GDevelop overview →
About wasmi
[1]: [2]: [3]: [4]: [5]: [6]: [7]: [8]: [license mit badge]: [license apache badge]: Wasmi WebAssembly (Wasm) Interpreter Wasmi is an efficient and lightweight WebAssembly interpreter with a focus on constrained and embedded systems. Distinct Features Simple, correct and deterministic execution of WebAssembly. Efficient and cross platform WebAssembly runtime for no std embedded environments. Compiler/JIT bomb resisting translation. Loosely mirrors the Wasmtime API to act as drop in replacement. 100% WebAssembly spec testsuite compliance. Built in support for fuel metering. Supports the official Wasm C API…
read the full wasmi overview →
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Frequently asked questions
Is GDevelop or wasmi more popular?
GDevelop has 28,355 GitHub stars and wasmi has 2,341. GDevelop has the larger community by that measure.
Are GDevelop and wasmi free?
Both are open source. GDevelop has no licence declared in this registry, and wasmi is licensed under Apache-2.0. Both are free to self-host.
What is the difference between GDevelop and wasmi?
GDevelop is written in JavaScript and wasmi in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, GDevelop or wasmi?
Choose GDevelop if you want the larger community (28,355 stars) or its Custom / other licence terms. Choose wasmi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.