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GreptimeTeam / greptimedb
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
langfuse / langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Popularity
Repository stars6,79037,124Highest
Fork5774,170Highest
Maintenance
Last push2026-11-062026-11-07
Maintenance notesNot verifiedNot verified
Repository created2022-04-112023-05-18
License & use
LicenseApache-2.0 · PermissiveLicense not declared
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeObservability · Self-hosted servicesModel and data evaluation · Observability · Self-hosted services
TypeFrameworks & SDKsApps & systems
SubcategoryStorage & messagingOperations
PlatformNot verifiedNot verified
First collected2026-11-032026-11-03
LanguageRustTypeScript
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Measured at 2026-11-06 UTC