head to head · open source
GDevelop vs ferrumc
GDevelop has 28,574 GitHub stars, 1,649 forks, 633 open issues and last shipped 2 days ago. ferrumc has 2,473 stars, 105 forks, 27 open issues and last shipped 5 days ago. GDevelop leads on adoption by 1,055% (28,574 vs 2,473 stars). GDevelop is written in JavaScript under a custom or non-standard licence; ferrumc is written in Rust under MIT. GDevelop has attracted 6% as many forks as stars, ferrumc 4%. GDevelop was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (game-development, 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 | ferrumc | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 2.5K |
| License | Custom / other | MIT |
| Written in | JavaScript | Rust |
| Last push | 2026-11-07 | 2026-11-04 |
| Forks | ⑂ 1.6K | ⑂ 105 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GDevelop if
- You weight community size — 29K 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 ferrumc if
- You want the ferrumc feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and ferrumc 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 ferrumc
[!IMPORTANT] 🚧 A fresh rewrite of FerrumC is in the works We're rebuilding FerrumC from scratch on the rework/v2 skeleton branch, and we plan to merge it into master soon. What works so far: A cleaner, faster core that's much easier to build on. A flat creative world you can join with a normal Minecraft 1.21.8 client. Blocks like logs, slabs, stairs, fences, and doors place facing the right way, and signs and chests work. Area edit commands such as /fill , /replace , and /undo . A day and night cycle, and you can watch other players turn, look around, and hold items and armor. Your builds are saved when you…
read the full ferrumc overview →
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Frequently asked questions
Is GDevelop or ferrumc more popular?
GDevelop has 28,574 GitHub stars and ferrumc has 2,473. GDevelop has the larger community by that measure.
Are GDevelop and ferrumc free?
Both are open source. GDevelop has no licence declared in this registry, and ferrumc is licensed under MIT. Both are free to self-host.
What is the difference between GDevelop and ferrumc?
GDevelop is written in JavaScript and ferrumc 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 ferrumc?
Choose GDevelop if you want the larger community (28,574 stars) or its Custom / other licence terms. Choose ferrumc if its feature set, stack or MIT licence fits better. Both are self-hostable.