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1. AI-Customer-Support-Agent AI-Customer-Support-Agent Public

   Multi-tenant AI support platform — RAG over per-tenant FAISS indexes, async ingestion via Redis+RQ, FastAPI backend, Next.js admin + embeddable chat widget.

   TypeScript

2. evalstack evalstack Public

   Open-source LLM evaluation framework — drop-in SDK + CI plugin. LLM-as-judge, regression detection, free + self-hostable. Braintrust alternative.

   TypeScript

3. lakehouseit lakehouseit Public

   Open-source modern data stack template — Postgres → CDC → Kafka → Iceberg → dbt → DuckDB. One docker compose up. Free + self-hostable.

   Python

4. tracelens tracelens Public

   Datadog for LLM apps, for indie devs. Drop-in Python SDK + free self-host. Latency, cost, hallucination patterns out of the box.

   Python