Open-source alternatives to Pinecone
5 open-source projects that do what Pinecone does. Picked or featured by Willet; numbers are from GitHub.
Last updated
| Project | What it does | Stars | License | Last commit | Self-hostable |
|---|---|---|---|---|---|
| In-process compressed vector index using TurboQuant quantization | 17.4k | MIT | No | ||
| Single-file memory store for AI agents with built-in search | 16.6k | Apache-2.0 | No | ||
| Embeddable vector database that runs inside your application process | 16.1k | Apache-2.0 | No | ||
| Compact local vector index for private RAG over personal data | 13k | MIT | No | ||
| Rust vector database with graph memory and local embeddings for agents | 4.6k | MIT | No |