Open source Self-hostable freemium
In these stacks
LicenseApache-2.0
PriceFree tier
UsageNo model cost
Model supportmulti
Languagestypescript, rust
GitHub stars3.1k
Last activity2026-07-03
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
An open-source platform for tracing and evaluating text-RAG and agentic pipelines, with a built-in eval framework.
Strengths
- Open source with a Rust core for performance
- Built-in eval and datasets
Tradeoffs
- Smaller community
- Newer project