Haystack

RAG Libraries

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

GitHub →Website →

8.3

GitHub Metrics

Stars

24.8k

Forks

2.7k

Open Issues

115

Watchers

161

Contributors

349

Weekly Commits

Language

MDX

License

Apache-2.0

Last Commit

Apr 14, 2026

Created

Nov 14, 2019

Latest Release

v2.27.0

Release Date

Apr 1, 2026

Synced: Apr 15, 2026

Quality Scores

Documentation Qualityw: 20%

8.0

Has docs site (https://haystack.deepset.ai). Description: 65 chars. Stars signal: 24,830. Contributors: 349. Score: 8/10

Community Healthw: 20%

9.1

Stars: 24,830. Contributors: 349. Watchers: 161. Forks: 2,718. Issue ratio: 0.5%. Score: 9.1/10

Maintenance Velocityw: 15%

7.7

Last commit: 0d ago. Weekly commits: 0. Latest release: v2.27.0. Maturity bonus: 6.4y old. Score: 7.7/10

API Design & DXw: 20%

8.2

Stars/issues ratio: 216. Has documentation site. Permissive license: Apache-2.0. Popularity signal: 24,830 stars. Score: 8.2/10

Production Readinessw: 15%

8.6

Battle-tested: 24,830 stars. Peer review: 349 contributors. Versioned: v2.27.0. Licensed: Apache-2.0. Age: 6.4 years. Maintenance: last commit 0d ago. Score: 8.6/10

Ecosystem Integrationw: 10%

8.2

Fork interest: 2,718. Ecosystem: MDX. Integration-friendly: Apache-2.0. Adoption: 24,830 stars. Has web presence. Score: 8.2/10