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btrace

Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.

langfuse

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

Popularity
Repository stars5,99736,896Highest
7-day net stars——
Fork9534,146Highest
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2026-11-032026-11-02
Maintenance notesNot verifiedNot verified
Repository created2014-08-282023-05-18
License & use
LicenseApache-2.0 · PermissiveLicense not declared
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeObservabilityModel and data evaluation · Observability · Self-hosted services
TypeApps & systemsApps & systems
SubcategoryOperationsOperations
PlatformNot verifiedNot verified
Cost detailsCheck current official software, hosting, model and infrastructure pricing.Check current official software, hosting, model and infrastructure pricing.
Pricing source——
First collected2026-11-032026-11-03
MetricRepository stars, not unique users or individual-skill installsRepository stars, not unique users or individual-skill installs
LanguageJavaTypeScript
About this projectProduction-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Measured at2026-11-03 08:24 UTC2026-11-02 18:59 UTC

License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Ranked by repository stars, one position per repository. Stars and forks are not user counts.