Compare projects
Select 2–4 projects to compare on the same basis.
Only identical known values are hidden. Unknown information remains visible.
Llangfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Popularity
Repository stars21,35536,896Highest
7-day net stars——
Fork8,641Highest4,146
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2026-11-032026-11-02
Maintenance notesNot verifiedNot verified
Repository created2013-01-262023-05-18
License & use
LicenseLicense not declaredLicense 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
LanguageTypeScriptTypeScript
About this projectYour window into all of your data🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Measured at2026-11-03 08:30 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.