head to head · open source
GDevelop vs Kaetram-Open
GDevelop has 27,242 GitHub stars, 1,570 forks, 633 open issues and last shipped yesterday. Kaetram-Open has 739 stars, 202 forks, 13 open issues and last shipped 5 days ago. GDevelop leads on adoption by 3,586% (27,242 vs 739 stars). GDevelop is written in JavaScript under a custom or non-standard licence; Kaetram-Open is written in TypeScript under MPL-2.0. GDevelop has attracted 6% as many forks as stars, Kaetram-Open 27%. GDevelop was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (2d-game, game, 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 | Kaetram-Open | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 739 |
| License | Custom / other | MPL-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-07 | 2026-10-03 |
| Forks | ⑂ 1.6K | ⑂ 202 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GDevelop if
- You weight community size — 27K 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 Kaetram-Open if
- You want the Kaetram-Open feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Kaetram-Open fits your workflow better
About GDevelop
GDevelop is an open source, cross platform game engine and editor for creating 2D, 3D, and multiplayer games without writing code. It runs on Windows, macOS, and Linux, and targets mobile (iOS, Android), desktop, and web platforms. Built with JavaScript, React, Electron, PixiJS, and Three.js, it combines a visual event based system with AI assisted development to lower the barrier to entry for game creation.
read the full GDevelop overview →
About Kaetram-Open
Kaetram Open is an open source 2D HTML5 MMORPG written in TypeScript, extending Little Workshop's BrowserQuest, for players who want a collaborative browser game and for developers looking for a game engine to build their own version on.
read the full Kaetram-Open overview →
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Frequently asked questions
Is GDevelop or Kaetram-Open more popular?
GDevelop has 27,242 GitHub stars and Kaetram-Open has 739. GDevelop has the larger community by that measure.
Are GDevelop and Kaetram-Open free?
Both are open source. GDevelop has no licence declared in this registry, and Kaetram-Open is licensed under MPL-2.0. Both are free to self-host.
What is the difference between GDevelop and Kaetram-Open?
GDevelop is written in JavaScript and Kaetram-Open in TypeScript. 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 Kaetram-Open?
Choose GDevelop if you want the larger community (27,242 stars) or its Custom / other licence terms. Choose Kaetram-Open if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.