knn-search

Multi-Modal Database replacing MongoDB, Neo4J, and Elastic with 1 faster ACID solution, with NetworkX and Pandas interfaces, and bindings for C 99, C++ 17, Python 3, Java, GoLang 🗄️

python search json database big-data nosql arrow bigdata pandas networkx graph-database document-database knn-search dataloader acid spdk key-value-store apache-arrow vector-search iouring

UpdatedSep 1, 2023
C++

KristofferC /NearestNeighbors.jl

Star454

High performance nearest neighbor data structures (KDTree and BallTree) and algorithms for Julia.

datastructures knn-search nearest-neighbors range-search

UpdatedDec 12, 2025
Julia

Aquila-Network /aquila

Star379

An easy to use Neural Search Engine. Index latent vectors along with JSON metadata and do efficient k-NN search.

search-engine information-retrieval retrieval nearest-neighbor-search knn-search image-search approximate-nearest-neighbor-search embedding information-retrieval-engine similarity-search video-search faiss aquila feature-vectors neural-information-retrieval vector-database neural-search similarity-searches

UpdatedMay 6, 2024
HTML

jelmerk /hnswlib

Star296

Java library for approximate nearest neighbors search using Hierarchical Navigable Small World graphs

java algorithm scala spark pyspark knn-search k-nearest-neighbors

UpdatedMar 23, 2025
Java

vioshyvo /mrpt

Star268

Fast and lightweight header-only C++ library (with Python bindings) for approximate nearest neighbor search

nearest-neighbor-search knn-search approximate-nearest-neighbor-search mrpt k-nn similarity-search random-projection

UpdatedJul 28, 2025
C++

arborx /ArborX

Star219

Performance-portable geometric search library

c-plus-plus cpp hpc clustering gpu parallel mpi cuda distributed high-performance-computing knn-search nearest-neighbors kokkos dbscan hdbscan bounding-volume-hierarchy

UpdatedDec 13, 2025
C++

dbaranchuk /ivf-hnsw

Star219

Code for ECCV2018 paper: Revisiting the Inverted Indices for Billion-Scale Approximate Nearest Neighbors

knn-search similarity-search

UpdatedMay 7, 2020
C++

begeekmyfriend /kdtree

Star180

Absolute balanced kdtree for fast kNN search.

algorithm kd-tree knn-search tree-structure kmeans k-means kd-trees knn k-nearest-neighbours kdtrees

UpdatedOct 26, 2025
C

guenthermi /postgres-word2vec

Star144

utils to use word embedding models like word2vec vectors in a PostgreSQL database

word2vec postgresql word-embeddings knn-search inverted-index product-quantization similarity-search

UpdatedOct 6, 2021
C

vektonn /vektonn

Star128

vector similarity knn-search

UpdatedAug 23, 2022
C#

habedi /spart

Sponsor

Star83

A collection of space partitioning trees for Rust 🦀 with Python bindings 🐍

rust octree kd-tree knn-search rust-library quadtree rtree space-partition-tree

UpdatedDec 11, 2025
Rust

encord-team /text-to-image-eval

Star56

Evaluate custom and HuggingFace text-to-image/zero-shot-image-classification models like CLIP, SigLIP, DFN5B, and EVA-CLIP. Metrics include Zero-shot accuracy, Linear Probe, Image retrieval, and KNN accuracy.

knn-search evaluation-metrics evaluation-framework linear-probing embedding-evaluation zero-shot-retrieval zero-shot-classification model-evaluation-metrics embeddings-extraction zero-shot-image-classification text-to-image-evaluation