Best Open Source Artificial Intelligence Projects

Zilliz / Milvus

The open source vector database for AI.

Qdrant

A fast, Rust-built vector database for similarity search, semantic retrieval and AI-powered recommendations.

Weaviate

An open source vector database that stores both objects and vectors.

Rivet

The open-source visual AI programming environment.

Refinery

The data scientist's open-source choice to scale, assess and maintain natural language data.

Open-source AI components for rapid development.

Inspo AI

AI design intelligence platform for UI inspiration, agentic UI generation, brand scanning, moodboards, and production-ready React interfaces.