Self-hosted LLM Observability & Evaluation
A curated collection of the best self-hosted tracing, monitoring, and evaluation platforms for LLM and AI-agent applications..
Open source LLM engineering platform for AI-powered applications
Stars
Stars growing over the last 30 days37,452Last commit
4 hours agoLicense
MIT
Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.
Open Source Alternative to:
Open-source LLM tracing & evaluation for AI optimization
Stars
Stars growing over the last 30 days12,304Last commit
11 hours agoLicense
Elastic-2.0
Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Open Source Alternative to:
Build, automate, and improve AI agents with your team
Stars
4,912Last commit
2 days agoLicense
MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.
Open Source Alternative to:
Full observability for AI agents in production
Stars
4,755Last commit
2 days agoLicense
MIT
Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.
Open Source Alternative to:
AI-powered platform for engineering LLM products
Stars
3,491Last commit
2 days agoLicense
Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.
Open Source Alternative to:
Monitor, debug, and scale LLM applications with ease
Stars
Stars growing over the last 30 days3,078Last commit
6 hours agoLicense
Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
Open Source Alternative to:
LLM observability: cost, latency, and traces in one place
Stars
13Last commit
7 days agoLicense
MIT
Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.
Open Source Alternative to:
Postiz – The All-in-One agentic social media scheduling tool
Stellar Hosted