Certbot

ACME client for Let's Encrypt

78
Warning · 78/100
Automated health estimate

The score summarizes repository activity. Funding is unknown and excluded from the score. These repository signals do not establish financial stability, security, or maintainer availability. How to interpret this data.

Funding
Unknown
Maintenance
Active
Contributors
Many observed
Bus Factor
Medium risk
Metrics last updated: (2026-10-25)

Evidence and limitations

Activity source: certbot/certbot via the GitHub API. Counts describe this repository, which may be a mirror or only part of the project.

Commits in 30 days
11
Commits in 90 days
25
Authors accounting for half the sampled commits
2

The sampled commit history reached the 90-day boundary or the end of the repository history.

Few commits can reflect mature software. Commit authors do not establish merge rights, available maintainers, organizational diversity, or knowledge distribution. Funding is unknown; donation links alone do not establish income or runway.

Correct this assessment or provide evidence →

Ways to help Certbot

We have not yet checked this project's specific support needs.

Read the repository's contribution and security guidance before proposing work.

Suggest a support route with an official source.

Overview

Certbot is a free, open-source software tool for automatically using Let’s Encrypt certificates to enable HTTPS on websites.

Importance

  • Most popular ACME client
  • Powers automated certificate management
  • Foundation for easy HTTPS deployment
  • Critical for secure websites

Key Features

  • Automated certificate issuance
  • Web server plugins (Apache, Nginx)
  • Automatic renewal
  • Wildcard support

Sustainability

Financial sustainability and maintainer capacity have not yet been reviewed against current primary sources. See the evidence and support sections above for available information and a way to suggest corrections.

Dependencies

⬆️ Depends On (3)
Certbot
system

Dependency Chain

Upstream
OpenSSL → Python → Linux Kernel →
Certbot

Impact Analysis

3 Direct Dependencies
0 Dependent Projects
🔝 Top-level project