Chroma - Open-Source Embedding Database

The AI-native database for building LLM applications with memory.

When to use Chroma

Use Chroma when:

• Building RAG (retrieval-augmented generation) applications
• Need local/self-hosted vector database
• Want open-source solution (Apache 2.0)
• Prototyping in notebooks
• Semantic search over documents
• Storing embeddings with metadata

Metrics:

• 24,300+ GitHub stars
• 1,900+ forks
• v1.3.3 (stable, weekly releases)
• Apache 2.0 license