Open Source LLM Observability & Evaluation using HonoJS
A curated collection of the best open source tracing, monitoring, and evaluation platforms for LLM and AI-agent applications. using HonoJS.
Simulation-based testing and evaluation for AI agents
Stars
3,523Last commit
6 hours agoLicense
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:
LLM observability: cost, latency, and traces in one place
Stars
13Last commit
5 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:
Trace, evaluate, and protect every LLM call in one SDK
Stars
7Last commit
10 days agoLicense
AGPL-3.0
An AI gateway that sits on the request path to handle PII redaction, prompt injection blocking, tracing, evals, and cost tracking for OpenAI, Anthropic, and Gemini.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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