Python nearest-neighbor-search

Open-source Python projects categorized as nearest-neighbor-search

Top 7 Python nearest-neighbor-search Projects

nearest-neighbor-search
  1. docarray

    Represent, send, store and search multimodal data

  2. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  3. pynndescent

    A Python nearest neighbor descent for approximate nearest neighbors

    Project mention: Jvector And Python! (Part 4 of jvector series) | dev.to | 2026-01-14

    PyNNDescent (Python nearest neighbor descent for approximate nearest neighbors): https://github.com/lmcinnes/pynndescent

  4. quaterion

    Blazing fast framework for fine-tuning similarity learning models

  5. citrus

    (distributed) vector database (by 0xDebabrata)

  6. lshashing

    python library to perform Locality-Sensitive Hashing for faster nearest neighbors search in high dimensional data

  7. tinyknn

    A tiny approximate K-Nearest Neighbour library in Python based on Fast Product Quantization and IVF

  8. sera-vq

    SERA-VQ: Discrete codes for extreme embedding compression — outperforms PCA+int8 at low memory budgets on BEIR/SciFact

    Project mention: Sera-VQ: Discrete codes outperform PCA under extreme embedding compression | news.ycombinator.com | 2026-05-02
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Python nearest-neighbor-search related posts

  • Jvector And Python! (Part 4 of jvector series)

    9 projects | dev.to | 14 Jan 2026
  • The Database Zoo: Vector Databases and High-Dimensional Search

    5 projects | dev.to | 25 Nov 2025
  • Document Loading, Parsing, and Cleaning in AI Applications

    9 projects | dev.to | 24 Apr 2025
  • Spann: Highly-Efficient Billion-Scale Approximate Nearest Neighbor Search

    2 projects | news.ycombinator.com | 2 Nov 2024
  • vec2pg: Migrate to pgvector from Pinecone and Qdrant

    5 projects | dev.to | 3 Sep 2024
  • beginner guide to fully local RAG on entry-level machines

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  • FLaNK 04 March 2024

    26 projects | dev.to | 4 Mar 2024
  • A note from our sponsor - SaaSHub
    www.saashub.com | 15 Jun 2026
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

What are some of the best open-source nearest-neighbor-search projects in Python? This list will help you:

# Project Stars
1 docarray 3,121
2 pynndescent 966
3 quaterion 660
4 citrus 105
5 lshashing 19
6 tinyknn 18
7 sera-vq 0

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