R2R (RAG to Riches), the Elasticsearch for RAG, bridges the gap between experimenting with and deploying production-ready Retrieval-Augmented Generation (RAG) applications. It's a complete platform that helps you quickly build and launch scalable RAG solutions. Built around a containerized RESTful API, R2R offers multimodal ingestion support, hybrid search, GraphRAG capabilities, user management, and observability features.
Or use there hosted version for free for smaller projects, including first stage start ups.