Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
Source
GitHub
Language
TypeScript
Last activity
Oct 21, 2026
Stars22,445Measured · Oct 21, 2026
Momentum43.57 days · Measured · +0.31% relative change
Don't trust an Agent. Test it. Open-source lab for agent credit — exams → evidence → explainable, recomputable scores. Built for the day agents hire and pay each other. A2A-native.
Source
GitHub
Language
TypeScript
Last activity
Sep 27, 2026
Stars13Measured · Oct 21, 2026
Momentum43.17 days · Measured · +30% relative change
SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.
Source
GitHub
Language
TypeScript
Last activity
Oct 21, 2026
Stars32,412Measured · Oct 21, 2026
Momentum407 days · Measured · +0.17% relative change
Multi-tier framework for evaluating AI agent skills with quality gates, semantic overlap detection, synthetic evaluation dataset generation, and live agent evaluation that measures how skills affect agent behavior.
Source
GitHub
Language
Python
Last activity
Oct 20, 2026
Stars586Measured · Oct 21, 2026
Momentum39.97 days · Measured · +2.99% relative change
Self-hosted model routing gateway and agent control plane for OpenAI, Anthropic, Gemini and A2A agents behind one OpenAI-compatible API, protocol-first. MCP server security, governed tools, prompt enhancement, virtual-key budgets, cache, observability, audit chain and agent governance. Zero-key local first run; public preview.
Source
GitHub
Language
JavaScript
Last activity
Oct 21, 2026
Stars10Measured · Oct 21, 2026
Momentum38.87 days · Measured · +25% relative change