A complete data lake with row-level access control, S3 storage, and SQL analytics — managed entirely through pixi, running on Hetzner for under 10 euros a month.
An open-source demo that coordinates multiple AI agents using only PostgreSQL — pgmq for task queuing, LISTEN/NOTIFY for event-driven coordination, ltree for lineage tracking. No Redis, no Kafka, no vector database.
An open-source semantic layer that lets you query PostgreSQL in plain English using local LLM inference via Ollama. No API keys, no cloud — just your database and a local model.