head to head · open source
raylib vs osu-framework
raylib has 35,607 GitHub stars, 3,379 forks, 16 open issues and last shipped 2 days ago. osu-framework has 2,031 stars, 514 forks, 467 open issues and last shipped 4 days ago. raylib leads on adoption by 1,653% (35,607 vs 2,031 stars). raylib is written in C under Zlib; osu-framework is written in C# under MIT. raylib has attracted 9% as many forks as stars, osu-framework 25%. raylib 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
| raylib | osu-framework | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 2.0K |
| License | Zlib | MIT |
| Written in | C | C# |
| Last push | 2026-11-08 | 2026-11-06 |
| Forks | ⑂ 3.4K | ⑂ 514 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick raylib if
- You weight community size — 36K stars and counting
- You want the Zlib license terms
- Your stack matches C
- You value the larger contributor base for long-term maintenance
pick osu-framework if
- You want the osu-framework feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and osu-framework fits your workflow better
About raylib
raylib is a simple and easy to use library to enjoy videogames programming. raylib is highly inspired by Borland BGI graphics lib and by XNA framework and it's especially well suited for prototyping, tooling, graphical applications, embedded systems and education. NOTE for ADVENTURERS: raylib is a programming library to enjoy videogames programming; no fancy interface, no visual helpers, no debug button... just coding in the most pure spartan programmers way. Ready to learn? Jump to code examples! features NO external dependencies , all required libraries are included in raylib Multiple platforms supported…
read the full raylib overview →
About osu-framework
osu!framework A game framework written with osu! in mind. Developing a game using osu!framework If you are interested in creating a project using the framework, please start from the getting started wiki resources (or jump straight over to the project templates). You can either start off from an empty project, or take a peek at a working sample game. Either way, full project structure, cross platform support, and a testing setup are included! The rest of the information on this page is related to working on the framework, not using it! Objectives This framework is intended to take steps beyond what you would…
read the full osu-framework overview →
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Frequently asked questions
Is raylib or osu-framework more popular?
raylib has 35,607 GitHub stars and osu-framework has 2,031. raylib has the larger community by that measure.
Are raylib and osu-framework free?
Both are open source. raylib is licensed under Zlib and osu-framework under MIT. Neither carries a licence fee.
What is the difference between raylib and osu-framework?
raylib is written in C and osu-framework 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, raylib or osu-framework?
Choose raylib if you want the larger community (35,607 stars) or its Zlib licence terms. Choose osu-framework if its feature set, stack or MIT licence fits better. Both are self-hostable.