STACKQUADRANT

unum-cloud/USearch

Vector Databases

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

7.4
GitHub Metrics
Stars
4.2k
Forks
332
Open Issues
93
Watchers
49
Contributors
100
Weekly Commits
0
Language
C++
License
Apache-2.0
Last Commit
Jul 10, 2026
Created
Feb 22, 2023
Latest Release
v2.26.0
Release Date
Jul 10, 2026
Synced: Jul 18, 2026
Quality Scores
Documentation Qualityw: 20%
7.6

Has docs site (https://unum.cloud/usearch). Description: 169 chars. Stars signal: 4,222. Contributors: 100. Score: 7.6/10

Community Healthw: 20%
7.2

Stars: 4,222. Contributors: 100. Watchers: 49. Forks: 331. Issue ratio: 2.2%. Score: 7.2/10

Maintenance Velocityw: 15%
7.7

Last commit: 8d ago. Weekly commits: 0. Latest release: v2.26.0. Maturity bonus: 3.4y old. Score: 7.7/10

API Design & DXw: 20%
7.2

Stars/issues ratio: 46. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 4,222 stars. Score: 7.2/10

Production Readinessw: 15%
7.6

Battle-tested: 4,222 stars. Peer review: 100 contributors. Versioned: v2.26.0. Licensed: Apache-2.0. Age: 3.4 years. Maintenance: last commit 8d ago. Score: 7.6/10

Ecosystem Integrationw: 10%
7.1

Fork interest: 331. Ecosystem: C++. Integration-friendly: Apache-2.0. Adoption: 4,222 stars. Has web presence. Score: 7.1/10

Tags
approximate-nearest-neighbor-searchclusteringdatabasefaissfull-text-searchfuzzy-searchimage-searchkannnearest-neighbor-searchrecommender-system
Radar
Documentation Quality
Community Health
Maintenance Velocity
API Design & DX
Production Readiness
Ecosystem Integration