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#approximate-nearest-neighbor-search

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

10 records
Tagged “approximate-nearest-neighbor-search”Ranked by health index
PyPI · npm · crates.io +1
98Exceptionalhealth index
lancedb/lancedb
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
Rust · Python · HTML★ 11.5K↓ 20.7M/moSep 19, 2026
Apache-2.0Sep 19, 2026 · metrics 2.10.0
Go · PyPI
98Exceptionalhealth index
weaviate/weaviate
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​.
Go★ 16.8KSep 16, 2026
Custom licenseSep 16, 2026 · metrics 2.10.0
PyPI · Go · npm
94Exceptionalhealth index
infiniflow/infinity
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
C++★ 4,684Aug 28, 2026
Apache-2.0Aug 28, 2026 · metrics 2.10.0
crates.io · npm · Go +2
91Excellenthealth index
unum-cloud/USearch
Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
C++ · Python★ 4,345↓ 372K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0
crates.io · PyPI
83Excellenthealth index
nnethercott/hannoy
Production-ready KV-backed HNSW implementation in Rust using LMDB
Rust★ 87↓ 103.5K/moOct 19, 2026
MITOct 19, 2026 · metrics 2.10.0
—
69Goodhealth index
pgvector/pgvector
Open-source vector similarity search for Postgres
C · Perl★ 23.3KOct 12, 2026
Custom licenseOct 12, 2026 · metrics 2.10.0
PyPI
65Goodhealth index
lmcinnes/pynndescent
A Python nearest neighbor descent for approximate nearest neighbors
Python★ 969Sep 10, 2026
BSD-2-ClauseSep 10, 2026 · metrics 2.10.0
crates.io
65Goodhealth index
meilisearch/arroy
An Approximate Nearest Neighbors library in Rust, based on random projections and LMDB and optimized for memory usage :boom:
Rust★ 311↓ 27.9K/moSep 18, 2026
MITSep 18, 2026 · metrics 2.10.0
PyPI
50Moderatehealth index
spotify/annoy
Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk
C++ · Python · Lua★ 14.3K↓ 1.3M/moAug 27, 2026
Apache-2.0Aug 27, 2026 · metrics 2.10.0
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34At Riskhealth index
curiosity-ai/hnsw-sharp
C# library for approximate nearest neighbors search using Hierarchical Navigable Small World graphs
C#★ 104Sep 19, 2026
MITSep 19, 2026 · metrics 2.10.0