microsoft/DiskANN
A vector indexing library to bring fast, fresh and filtered search to your database
Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk
A vector indexing library to bring fast, fresh and filtered search to your database
A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.
nanoflann: a C++11 header-only library for Nearest Neighbor (NN) search with KD-trees
Header-only C++/python library for fast approximate nearest neighbors
A Python scikit for building and analyzing recommender systems
Non-Metric Space Library (NMSLIB): An efficient similarity search library and a toolkit for evaluation of k-NN methods for generic non-metric spaces.
3 captures since 2026-05-22