OSS Discovery

US
United States
MONITORING & OBSERVABILITY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREE
Helicone

HELICONE

Helicone is an enterprise-grade open-source platform for LLM observability, offering real-time logging, debugging, and performance analytics. Built for developers and enterprises, it integrates with LangChain, LlamaIndex, OpenAI, and Anthropic, enabling precise monitoring, API tracing, and scalable AI application optimization. (49 words)

GITHUB STARS
5.5k
+12% this month
FORKS
545
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
55
Tracking updates
LICENSE
Apache-2.0
Commercial use
Helicone is an enterprise-grade open-source platform for LLM observability, offering real-time logging, debugging, and performance analytics. Built for developers and enterprises, it integrates with LangChain, LlamaIndex, OpenAI, and Anthropic, enabling precise monitoring, API tracing, and scalable AI application optimization. (49 words)

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
MDX
MDX
Python
Python
PLpgSQL
PLpgSQL
Shell
Shell
JavaScript
JavaScript
HCL
HCL
CSS
CSS
Dockerfile
Dockerfile

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Monitoring & Observability
Pricing
Free
Self-Hosted
Yes
Available on
Web
Latest Release
v2025.08.21-1
Aug 21, 2025

Relative Standing — across 1,284 tools

STARS5.5k
Top 46% globally
FORKS545
Top 48% in Open Source
ACTIVITYHigh
Top 24% Activity
WATCHERS55
Top 49% Community