certbot

Install command:
brew install certbot

Formerly known as: letsencrypt

Tool to obtain certs from Let's Encrypt and autoenable HTTPS

https://certbot.eff.org/

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/certbot.json

Formula code: certbot.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon
tahoe
sequoia
sonoma
macOS on
Intel
sonoma
Linux ARM64
x86_64

Current versions:

stable 5.4.0
head ⚡️ HEAD

Depends on:

augeas 1.14.1 Configuration editing tool and API
certifi 2026.2.25 Mozilla CA bundle for Python
cryptography 46.0.5 Cryptographic recipes and primitives for Python
libyaml 0.2.5 YAML Parser
python@3.14 3.14.3 Interpreted, interactive, object-oriented programming language

Analytics:

Installs (30 days)
certbot 3,841
certbot --HEAD 4
Installs on Request (30 days)
certbot 3,842
certbot --HEAD 4
Build Errors (30 days)
certbot 0
Installs (90 days)
certbot 11,550
certbot --HEAD 19
Installs on Request (90 days)
certbot 11,549
certbot --HEAD 19
Installs (365 days)
certbot 51,314
certbot --HEAD 98
Installs on Request (365 days)
certbot 51,295
certbot --HEAD 98