libxcrypt

Install command: 
brew install libxcrypt

Extended crypt library for descrypt, md5crypt, bcrypt, and others

https://github.com/besser82/libxcrypt

License: LGPL-2.1-or-later

Development: Pull requests

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

Formula code: libxcrypt.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 golden gate ✅
tahoe ✅
sequoia ✅
sonoma ✅
macOS on
Intel		 sonoma ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 4.5.2

Keg-only because macOS already provides this software.

GitHub Packages downloads:

Last 30 days173,300
Downloads6,738,621
Analytics install events (30 days)59,131
Downloads / install events (30 days)2.9×

Source: GitHub Packages, fetched 2026-11-15T00:52:39Z. Analytics dates: 2026-10-16 to 2026-11-15. 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
Installs59,131129,829601,433
Installs (--HEAD)002
Installs on Request781361,326
Installs on Request (--HEAD)002
Build Errors0