formium
The premium Open Source alternative to Formspree
🎯 Best for:Modern web apps needing custom-styled forms with managed backends
What is formium?
Replaces traditional form backends with a headless API that decouples form logic from the presentation layer. It allows developers to build custom UIs while handling schema validation and submission storage server-side.
Tech Stack
TypeScriptFrontend & Headless CMS
Why formium?
- • Excellent developer experience (DX)
- • Type-safe form definitions
- • Framework agnostic core
Limitations
- • Requires frontend development skills
- • Open core model limits some features
- • Setup takes longer than simple HTML forms
3/5/2026
Last Update
32
Forks
17
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to formium instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Formspree)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%