GitHub Open Source Insight
Computed at Sep 11, 2026GitHub repo leaderboard by stars, growth rate and activity.
langfuse
🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
TypeScript34,413 starslast pushed 24 hours agocomet-ml
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
Python21,906 starslast pushed 24 hours agoVoltAgent
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework
TypeScript10,581 starslast pushed 2 weeks agomaximhq
Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.
Go7,933 starslast pushed YesterdayHelicone
🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
TypeScript6,141 starslast pushed 2 weeks agocoze-dev
Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.
Go5,714 starslast pushed Yesterdaypydantic
AI observability platform for production LLM and agent systems.
Python4,468 starslast pushed 24 hours agomemodb-io
lmnr-ai
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
TypeScript3,242 starslast pushed Yesterdayopenlit
Open-source observability & evaluation platform for AI agents and coding agents. Trace LLMs, tools, prompts, costs & agent workflows with OpenTelemetry.
TypeScript2,751 starslast pushed 2 days ago
| # | Repo | Language | Stars | 30-day trend | Last updated |
|---|---|---|---|---|---|
| 1 | langfuse 🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23 | TypeScript | 34,413 | last pushed 24 hours ago | |
| 2 | comet-ml Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards. | Python | 21,906 | last pushed 24 hours ago | |
| 3 | VoltAgent AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework | TypeScript | 10,581 | last pushed 2 weeks ago | |
| 4 | maximhq Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS. | Go | 7,933 | last pushed Yesterday | |
| 5 | Helicone 🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓 | TypeScript | 6,141 | last pushed 2 weeks ago | |
| 6 | coze-dev Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring. | Go | 5,714 | last pushed Yesterday | |
| 7 | pydantic AI observability platform for production LLM and agent systems. | Python | 4,468 | last pushed 24 hours ago | |
| 8 | memodb-io Agent Skills as a Memory Layer | JavaScript | 3,686 | last pushed 2 months ago | |
| 9 | lmnr-ai Laminar - open-source observability platform purpose-built for AI agents. YC S24. | TypeScript | 3,242 | last pushed Yesterday | |
| 10 | openlit Open-source observability & evaluation platform for AI agents and coding agents. Trace LLMs, tools, prompts, costs & agent workflows with OpenTelemetry. | TypeScript | 2,751 | last pushed 2 days ago |
All · 11,474