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 5.6.0
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
pydantic 2.13.4 Data validation using Python type hints
python@3.14 3.14.5 Interpreted, interactive, object-oriented programming language

Analytics:

Installs (30 days)
certbot 2,949
certbot --HEAD 9
Installs on Request (30 days)
certbot 2,946
certbot --HEAD 9
Build Errors (30 days)
certbot 4
Installs (90 days)
certbot 12,009
certbot --HEAD 22
Installs on Request (90 days)
certbot 12,004
certbot --HEAD 22
Installs (365 days)
certbot 48,559
certbot --HEAD 88
Installs on Request (365 days)
certbot 48,543
certbot --HEAD 88