Open source Self-hostable freemium
In these stacks
LicenseLGPL-3.0
PriceFree tier
UsageNo model cost
Model supportmulti
Languagestypescript
GitHub stars4.4k
Last activity2026-07-04
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
An open-source platform for collaborative prompt engineering, versioning, and evaluation.
Strengths
- Strong prompt-management workflow for teams
- Open source and self-hostable
Tradeoffs
- Eval features secondary to prompt management
- Smaller community
Covers
Self-hosting