OSS Discovery

UN
Global
PRODUCTIVITY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREEMIUM
Langfuse

LANGFUSE

"Unlock LLM performance with Langfuse: tracing, evaluation, and analytics for agentic applications. Scale with observations-first data model, now 10x faster. Upgrade to v4 Python SDK or v5 JS SDK to get started with Langfuse Cloud and self-hosted options."

GITHUB STARS
26k
+12% this month
FORKS
2.6k
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
88
Tracking updates
LICENSE
Other
Commercial use
"Unlock LLM performance with Langfuse: tracing, evaluation, and analytics for agentic applications. Scale with observations-first data model, now 10x faster. Upgrade to v4 Python SDK or v5 JS SDK to get started with Langfuse Cloud and self-hosted options."

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

TypeScript
TypeScript
JavaScript
JavaScript
Shell
Shell
Dockerfile
Dockerfile
CSS
CSS
PLpgSQL
PLpgSQL

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Productivity
Pricing
Freemium
Self-Hosted
Yes
Available on
Web
Latest Release
v3.169.0
Apr 17, 2026

Relative Standing — across 1,284 tools

STARS26k
Top 15% globally
FORKS2.6k
Top 16% in Open Source
ACTIVITYVery High
Top 13% Activity
WATCHERS88
Top 38% Community