Open source Self-hostable freemium
In these stacks
LicenseMIT
PriceFree tier
UsageNo model cost
Model supportmulti
Languagesgo, typescript
GitHub stars27.6k
Last activity2026-07-03
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
A self-hosted OpenTelemetry-native APM that, with OpenLLMetry, gives you LLM traces alongside application traces.
Strengths
- Unified app and LLM tracing on OTel
- Fully self-hosted, no vendor lock-in
Tradeoffs
- LLM evals via OpenLLMetry, not native
- More ops to run than a SaaS
Covers
Self-hosting