Repository Index

Open-source vector similarity search for Postgres

• nearest-neighbor-search
• approximate-nearest-neighbor-search

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

• search-engine
• semantic-search
• semantic-search-engine
• vector-search

Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

• c-plus-plus
• python
• nearest-neighbor-search
• locality-sensitive-hashing

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

• approximate-nearest-neighbor-search
• image-search
• nearest-neighbor-search
• recommender-system

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

• ai-native
• nearest-neighbor-search
• rag
• vector-search

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

• kann
• vector-search
• approximate-nearest-neighbor-search
• simd

Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data

• approximate-nearest-neighbor-search
• k-nearest-neighbors
• knn-search
• nearest-neighbors

Official library for RaBitQ vector quantization and approximate nearest-neighbor search, in C++ and Python.

• nearest-neighbor-search
• quantization
• vector-database
• vector-search

annoy-rb provides Ruby bindings for the Annoy (Approximate Nearest Neighbors Oh Yeah).

• ruby
• approximate-nearest-neighbor-search
• nearest-neighbor-search
• gem

hnswlib.rb provides Ruby bindings for Hnswlib

• ruby
• gem
• nearest-neighbor-search
• approximate-nearest-neighbor-search