Cognee

Cognee is an open-source knowledge engine that ingests data in 38+ formats and builds a living knowledge graph combining vector search with graph database relationships. Its six-stage pipeline classifies documents, extracts entities, generates summaries, and embeds everything for semantic and relational retrieval. Adopted by over 70 companies and processing more than one million pipelines monthly, it offers a production-grade alternative to traditional RAG for AI agents that need persistent, evolving memory. Try it today to find hidden connections in your data and improve your AI infrastructure. Notable functionality spans 38+ data format ingestion, six-stage knowledge pipeline, and vector and graph database integration. Additional tools cover 12+ agentic framework integrations, 29+ storage backend options, self-improving feedback loop. The platform emphasizes used by engineers from and what can you build with cognee? as key strengths. A free tier covers essential functionality, with premium plans available for advanced features and higher usage limits. API access enables developers to integrate Cognee's capabilities into custom applications and automated workflows. Positioned within the code development space, Cognee addresses use cases spanning AI memory, knowledge graph, open source, RAG alternative.