certbot

Install command: 
brew install certbot

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		 golden gate ✅
tahoe ✅
sequoia ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 5.9.0
head ⚡️ HEAD

Depends on:

augeas 1.15.0 Configuration editing tool and API
certifi 2026.10.23 Mozilla CA bundle for Python
cryptography 50.0.2 Cryptographic recipes and primitives for Python
libyaml 0.2.5 YAML Parser
pydantic 2.14.3 Data validation using Python type hints
python@3.15 3.15.2 Interpreted, interactive, object-oriented programming language

Uses from macOS: libffi

Binaries: certbot

GitHub Packages downloads:

Last 30 days18,195
Downloads1,462,855
Analytics install events (30 days)2,419
Downloads / install events (30 days)7.5×

Source: GitHub Packages, fetched 2026-11-11T00:52:55Z. Analytics dates: 2026-10-12 to 2026-11-11. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs2,4145,63338,259
Installs (--HEAD)5765
Installs on Request2,4125,62938,248
Installs on Request (--HEAD)5765
Build Errors0