head to head · open source
filament vs piranha.core
filament has 32,397 GitHub stars, 4,237 forks, 26 open issues and last shipped yesterday. piranha.core has 2,201 stars, 613 forks, 100 open issues and last shipped 7 days ago. filament leads on adoption by 1,372% (32,397 vs 2,201 stars). filament is written in PHP under MIT; piranha.core is written in C# under MIT. filament has attracted 13% as many forks as stars, piranha.core 28%. 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 | piranha.core | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 2.2K |
| License | MIT | MIT |
| Written in | PHP | C# |
| Last push | 2026-11-02 | 2026-10-27 |
| Forks | ⑂ 4.2K | ⑂ 613 |
| 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 piranha.core if
- You want the piranha.core feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and piranha.core 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 piranha.core
Welcome to Piranha.Core About Piranha CMS is a decoupled, cross platform CMS built for .NET8 and Entity Framework Core . It has a modular and extensible architecture and supports a multitude of hosting and deployment scenarios. Getting started Prerequisites .NET 8.0 SDK An IDE or Editor of your choice Create a new project from our templates To use our project templates you first need to download and install them from NuGet. This can be done with: bash dotnet new install Piranha.Templates When creating a new project with dotnet new you should first create a new empty folder. The default behaviour is that the new…
read the full piranha.core overview →
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Frequently asked questions
Is filament or piranha.core more popular?
filament has 32,397 GitHub stars and piranha.core has 2,201. filament has the larger community by that measure.
Are filament and piranha.core free?
Both are open source. filament is licensed under MIT and piranha.core under MIT. Neither carries a licence fee.
What is the difference between filament and piranha.core?
filament is written in PHP and piranha.core 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 piranha.core?
Choose filament if you want the larger community (32,397 stars) or its MIT licence terms. Choose piranha.core if its feature set, stack or MIT licence fits better. Both are self-hostable.