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 🔍

7.6
GitHub Metrics
Stars
4.3k
Forks
343
Open Issues
92
Watchers
49
Contributors
103
Weekly Commits
3
Language
C++
License
Apache-2.0
Last Commit
Sep 1, 2026
Created
Feb 22, 2023
Latest Release
v2.26.2
Release Date
Sep 1, 2026
Synced: Sep 1, 2026
Quality Scores
Documentation Qualityw: 20%
7.6

Has docs site (https://unum.cloud/usearch). Description: 169 chars. Stars signal: 4,283. Contributors: 103. Score: 7.6/10

Community Healthw: 20%
7.2

Stars: 4,283. Contributors: 103. Watchers: 49. Forks: 343. Issue ratio: 2.1%. Score: 7.2/10

Maintenance Velocityw: 15%
8.8

Last commit: 1d ago. Weekly commits: 3. Latest release: v2.26.2. Maturity bonus: 3.5y old. Score: 8.8/10

API Design & DXw: 20%
7.2

Stars/issues ratio: 47. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 4,283 stars. Score: 7.2/10

Production Readinessw: 15%
7.6

Battle-tested: 4,283 stars. Peer review: 103 contributors. Versioned: v2.26.2. Licensed: Apache-2.0. Age: 3.5 years. Maintenance: last commit 1d ago. Score: 7.6/10

Ecosystem Integrationw: 10%
7.2

Fork interest: 343. Ecosystem: C++. Integration-friendly: Apache-2.0. Adoption: 4,283 stars. Has web presence. Score: 7.2/10

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