Vector Databases: A Technical Primer [pdf]

• chromem-go

  6 331 9.4 Go

  Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.

  For Python I believe Chroma [1] can be used embedded.

  For Go I recently started building chromem-go, inspired by the Chroma interface: https://github.com/philippgille/chromem-go

  It's neither advanced nor for scale yet, but the RAG demo works.

  [1] https://github.com/chroma-core/chroma

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• chroma

  37 15,756 9.9 Rust

  the AI-native open-source embedding database

  

  For Python I believe Chroma [1] can be used embedded.

  For Go I recently started building chromem-go, inspired by the Chroma interface: https://github.com/philippgille/chromem-go

  It's neither advanced nor for scale yet, but the RAG demo works.

  [1] https://github.com/chroma-core/chroma

• pgvector

  96 12,989 9.8 C

  Open-source vector similarity search for Postgres

  

  You don't need a dedicated vector db, you can use pgvector.

  You could maybe use Cube for euclidean space search, but you're better off using optimized algorithms for embedding space search.

  https://github.com/pgvector/pgvector

• usearch

  25 2,297 9.7 C++

  Fast Open-Source Search & Clustering engine × for Vectors & 🔜 Strings × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

  

  I've used usearch successfully for a small project: https://github.com/unum-cloud/usearch/

• qdrant-client

  2 803 9.2 Python

  Python client for Qdrant vector search engine

  

  The qdrant clients support a local mode where you point to a file[0].

  [0] -- https://github.com/qdrant/qdrant-client#local-mode

• qdrant-lib

  2 56 7.6 Rust

  Extract core logic from qdrant and make it available as a library.

• google-research

  99 34,471 9.6 Jupyter Notebook

  Google Research

  

  There are options such as Google's ScaNN that may let you go farther before needing to consider specialized databases.

  https://github.com/google-research/google-research/blob/mast...

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