head to head · open source
filament vs primo
filament has 32,078 GitHub stars, 4,209 forks, 26 open issues and last shipped yesterday. primo has 2,370 stars, 572 forks, 41 open issues and last shipped today. filament leads on adoption by 1,254% (32,078 vs 2,370 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%. primo 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 | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 4.2K | ⑂ 572 |
| 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
Filament is a free, MIT licensed UI framework for Laravel, built on Livewire, that gives PHP developers a cohesive set of components for building applications and admin panels quickly.
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 fronte…
read the full primo overview →
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Frequently asked questions
Is filament or primo more popular?
filament has 32,078 GitHub stars and primo has 2,370. 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 (32,078 stars) or its MIT licence terms. Choose primo if its feature set, stack or MIT licence fits better. Both are self-hostable.