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langfuse

langfuse / langfuse

Star 31.2k

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

open-source playground monitoring analytics evaluation self-hosted ycombinator openai observability autogen large-language-models llm prompt-engineering langchain llmops llama-index prompt-management llm-evaluation llm-observability
  • Updated Jul 14, 2026
  • TypeScript
signoz

SigNoz / signoz

Star 29.6k

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.

react go open-source typescript monitoring log reactjs metrics nextjs logs prometheus self-hosted apm tracing observability distributed-tracing application-monitoring jaeger good-first-issue opentelemetry
  • Updated Jul 14, 2026
  • TypeScript
mlflow

mlflow / mlflow

Star 27k

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

open-source machine-learning ai apache-spark evaluation ml openai agents observability model-management mlops mlflow agentops prompt-engineering ai-governance langchain llmops llm-evaluation
  • Updated Jul 14, 2026
  • Python
Self-Hosting-Guide

mikeroyal / Self-Hosting-Guide

Star 21.9k

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.

search linux ssh open-source home-automation raspberry-pi oauth awesome privacy authentication docker-compose decentralized selfhosted self-hosted reverse-proxy awesome-list home-assistant self-hosting observability wireguard
  • Updated Jun 27, 2025
  • Dockerfile

openobserve / openobserve

Star 20k

Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

elasticsearch kibana monitoring analytics splunk metrics grafana logs prometheus datadog apm rust-lang log-management observability traces log-analytics jaeger log-search opentelemetry openobserve
  • Updated Jul 14, 2026
  • TypeScript

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