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1. langfuse/langfuse langfuse/langfuse Public

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

   TypeScript 20.1k 2k