Haystack

RAG Libraries

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

GitHub →Website →

8.7

GitHub Metrics

Stars

25.9k

Forks

2.9k

Open Issues

111

Watchers

160

Contributors

398

Weekly Commits

Language

MDX

License

Apache-2.0

Last Commit

Jul 17, 2026

Created

Nov 14, 2019

Latest Release

v2.31.0

Release Date

Jul 8, 2026

Synced: Jul 18, 2026

Quality Scores

Documentation Qualityw: 20%

8.1

Has docs site (https://haystack.deepset.ai). Description: 65 chars. Stars signal: 25,932. Contributors: 398. Score: 8.1/10

Community Healthw: 20%

9.1

Stars: 25,932. Contributors: 398. Watchers: 160. Forks: 2,931. Issue ratio: 0.4%. Score: 9.1/10

Maintenance Velocityw: 15%

9.8

Last commit: 1d ago. Weekly commits: 71. Latest release: v2.31.0. Maturity bonus: 6.7y old. Score: 9.8/10

API Design & DXw: 20%

8.2

Stars/issues ratio: 238. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 25,932 stars. Score: 8.2/10

Production Readinessw: 15%

8.7

Battle-tested: 25,932 stars. Peer review: 398 contributors. Versioned: v2.31.0. Licensed: Apache-2.0. Age: 6.7 years. Maintenance: last commit 1d ago. Score: 8.7/10

Ecosystem Integrationw: 10%

8.2

Fork interest: 2,931. Ecosystem: MDX. Integration-friendly: Apache-2.0. Adoption: 25,932 stars. Has web presence. Score: 8.2/10