head to head · open source
filament vs cofoundry
filament has 32,392 GitHub stars, 4,236 forks, 26 open issues and last shipped 2 days ago. cofoundry has 902 stars, 168 forks, 115 open issues and last shipped 9 months ago. filament leads on adoption by 3,491% (32,392 vs 902 stars). filament is written in PHP under MIT; cofoundry is written in C# under MIT. filament has attracted 13% as many forks as stars, cofoundry 19%. filament was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (cms), 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
| filament | cofoundry | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 902 |
| License | MIT | MIT |
| Written in | PHP | C# |
| Last push | 2026-11-01 | 2026-02-13 |
| Forks | ⑂ 4.2K | ⑂ 168 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick filament if
- You weight community size — 32K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick cofoundry if
- You want the cofoundry feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and cofoundry fits your workflow better
About filament
Build apps & admin panels fast, for your bright ideas. With a solid Laravel foundation and a polished UI, you can focus on what makes your product unique. Filament gives you UI components that you won't outgrow — a cohesive set of well considered building blocks that adapt as your application grows in complexity. Tables — Browse and filter large datasets with powerful columns, actions, and bulk operations. Forms — Build complex, reactive forms using a set of reusable, state aware components. Infolists — Render read only record views with structured layouts and custom formatting. Notifications — Trigger in app…
read the full filament overview →
About cofoundry
Cofoundry is an open source .NET CMS and application framework focusing on: Code first development Unobtrusive integration into your application Extensible & flexible architecture Simple & user friendly content management Getting Started Find out more at Cofoundry.org or head to the docs to get started. Feedback & Community If you have a technical question or issue, please either: Submit an issue To keep updated: Follow us on BlueSky Follow our blog To give informal feedback or talk more generally about the project: Contact us directly Roadmap For up to date information on what's going into up coming releases…
read the full cofoundry overview →
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Frequently asked questions
Is filament or cofoundry more popular?
filament has 32,392 GitHub stars and cofoundry has 902. filament has the larger community by that measure.
Are filament and cofoundry free?
Both are open source. filament is licensed under MIT and cofoundry under MIT. Neither carries a licence fee.
What is the difference between filament and cofoundry?
filament is written in PHP and cofoundry 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, filament or cofoundry?
Choose filament if you want the larger community (32,392 stars) or its MIT licence terms. Choose cofoundry if its feature set, stack or MIT licence fits better. Both are self-hostable.