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

4.1k

Forks

323

Open Issues

Watchers

Contributors

Weekly Commits

Language

C++

License

Apache-2.0

Last Commit

May 28, 2026

Created

Feb 22, 2023

Latest Release

v2.25.3

Release Date

May 24, 2026

Synced: Jun 3, 2026

Quality Scores

Documentation Qualityw: 20%

7.5

Has docs site (https://unum.cloud/usearch). Description: 169 chars. Stars signal: 4,138. Contributors: 97. Score: 7.5/10

Community Healthw: 20%

7.2

Stars: 4,138. Contributors: 97. Watchers: 46. Forks: 323. Issue ratio: 2.3%. Score: 7.2/10

Maintenance Velocityw: 15%

7.7

Last commit: 6d ago. Weekly commits: 0. Latest release: v2.25.3. Maturity bonus: 3.3y old. Score: 7.7/10

API Design & DXw: 20%

7.2

Stars/issues ratio: 44. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 4,138 stars. Score: 7.2/10

Production Readinessw: 15%

7.5

Battle-tested: 4,138 stars. Peer review: 97 contributors. Versioned: v2.25.3. Licensed: Apache-2.0. Age: 3.3 years. Maintenance: last commit 6d ago. Score: 7.5/10

Ecosystem Integrationw: 10%

7.1

Fork interest: 323. Ecosystem: C++. Integration-friendly: Apache-2.0. Adoption: 4,138 stars. Has web presence. Score: 7.1/10