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Open Source LLM Observability & Evaluation using Vite

A curated collection of the best open source tracing, monitoring, and evaluation platforms for LLM and AI-agent applications. using Vite.

Open-source LLM tracing & evaluation for AI optimization
  • Stars


    11,425
  • Last commit


    9 hours ago
  • License


    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:

Full observability for AI agents in production
  • Stars


    4,636
  • Last commit


    8 hours ago
  • License


    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:

Simulation-based testing and evaluation for AI agents
  • Stars


    3,533
  • Last commit


    12 hours ago
  • License


    Apache-2.0
Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.

Open Source Alternative to:

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