Haystack

RAG Libraries

Haystack — a leading open-source project in the AI/LLM ecosystem.

GitHub →Website →

8.3

GitHub Metrics

Stars

24.3k

Forks

2.6k

Open Issues

107

Watchers

156

Contributors

327

Weekly Commits

Language

MDX

License

Apache-2.0

Last Commit

Feb 27, 2026

Created

Nov 14, 2019

Latest Release

v2.25.1

Release Date

Feb 27, 2026

Synced: Feb 28, 2026

Quality Scores

Documentation Qualityw: 20%

8.0

Has docs site (https://haystack.deepset.ai). Description: 65 chars. Stars signal: 24,349. Contributors: 327. Score: 8/10

Community Healthw: 20%

9.0

Stars: 24,349. Contributors: 327. Watchers: 156. Forks: 2,627. Issue ratio: 0.4%. Score: 9/10

Maintenance Velocityw: 15%

7.7

Last commit: 1d ago. Weekly commits: 0. Latest release: v2.25.1. Maturity bonus: 6.3y old. Score: 7.7/10

API Design & DXw: 20%

8.2

Stars/issues ratio: 228. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 24,349 stars. Score: 8.2/10

Production Readinessw: 15%

8.6

Battle-tested: 24,349 stars. Peer review: 327 contributors. Versioned: v2.25.1. Licensed: Apache-2.0. Age: 6.3 years. Maintenance: last commit 1d ago. Score: 8.6/10

Ecosystem Integrationw: 10%

8.1

Fork interest: 2,627. Ecosystem: MDX. Integration-friendly: Apache-2.0. Adoption: 24,349 stars. Has web presence. Score: 8.1/10