head to head · open source
filament vs primo
filament has 32,397 GitHub stars, 4,237 forks, 26 open issues and last shipped yesterday. primo has 2,380 stars, 567 forks, 41 open issues and last shipped yesterday. filament leads on adoption by 1,261% (32,397 vs 2,380 stars). filament is written in PHP under MIT; primo is written in Svelte under MIT. filament has attracted 13% as many forks as stars, primo 24%. 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 | primo | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 2.4K |
| License | MIT | MIT |
| Written in | PHP | Svelte |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.2K | ⑂ 567 |
| 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 primo if
- You want the primo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Svelte
- You evaluated both and primo 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 primo
Primo Primo is a CMS for developers who build sites for clients who need to manage them afterward. Your entire site stays in sync as both a database and a folder of files, so Claude Code, Cursor, and any AI agent can edit it directly. Your clients manage content visually in the browser. In active development since 2019. Self hosted by freelancers, agencies, and small teams. One click deploy: The shape of it One Go binary. PocketBase (SQLite) for storage. Svelte 5 for the editor UI and for the blocks you write. The same server hosts the CMS and serves your published sites — no external services, no separate…
read the full primo overview →
More in Content & Publishing
Related comparisons
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Compare either of these against the rest of the Content Management Systems (CMS) field.
Frequently asked questions
Is filament or primo more popular?
filament has 32,397 GitHub stars and primo has 2,380. filament has the larger community by that measure.
Are filament and primo free?
Both are open source. filament is licensed under MIT and primo under MIT. Neither carries a licence fee.
What is the difference between filament and primo?
filament is written in PHP and primo in Svelte. 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 primo?
Choose filament if you want the larger community (32,397 stars) or its MIT licence terms. Choose primo if its feature set, stack or MIT licence fits better. Both are self-hostable.