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 5.5.0
head ⚡️ HEAD

Depends on:

augeas 1.14.1 Configuration editing tool and API
certifi 2026.4.22 Mozilla CA bundle for Python
cryptography 48.0.0 Cryptographic recipes and primitives for Python
libyaml 0.2.5 YAML Parser
python@3.14 3.14.4 Interpreted, interactive, object-oriented programming language

Analytics:

Installs (30 days)
certbot 2,384
certbot --HEAD 7
Installs on Request (30 days)
certbot 2,383
certbot --HEAD 7
Build Errors (30 days)
certbot 1
Installs (90 days)
certbot 11,741
certbot --HEAD 19
Installs on Request (90 days)
certbot 11,734
certbot --HEAD 19
Installs (365 days)
certbot 47,864
certbot --HEAD 86
Installs on Request (365 days)
certbot 47,851
certbot --HEAD 86