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 🔍

GitHub →Website →

7.4

GitHub Metrics

Stars

4.3k

Forks

356

Open Issues

101

Watchers

Contributors

108

Weekly Commits

Language

C++

License

Apache-2.0

Last Commit

Oct 5, 2026

Created

Feb 22, 2023

Latest Release

v2.26.4

Release Date

Oct 5, 2026

Synced: Oct 17, 2026

Quality Scores

Documentation Qualityw: 20%

7.6

Has docs site (https://unum.cloud/usearch). Description: 169 chars. Stars signal: 4,337. Contributors: 108. Score: 7.6/10

Community Healthw: 20%

7.3

Stars: 4,337. Contributors: 108. Watchers: 48. Forks: 356. Issue ratio: 2.3%. Score: 7.3/10

Maintenance Velocityw: 15%

7.6

Last commit: 12d ago. Weekly commits: 0. Latest release: v2.26.4. Maturity bonus: 3.7y old. Score: 7.6/10

API Design & DXw: 20%

7.2

Stars/issues ratio: 43. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 4,337 stars. Score: 7.2/10

Production Readinessw: 15%

7.6

Battle-tested: 4,337 stars. Peer review: 108 contributors. Versioned: v2.26.4. Licensed: Apache-2.0. Age: 3.7 years. Maintenance: last commit 12d ago. Score: 7.6/10

Ecosystem Integrationw: 10%

7.2

Fork interest: 356. Ecosystem: C++. Integration-friendly: Apache-2.0. Adoption: 4,337 stars. Has web presence. Score: 7.2/10