expat

Install command: 
brew install expat

XML 1.0 parser

https://libexpat.github.io/

License: MIT

Development: Pull requests

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

Formula code: expat.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 ✅ 2.10.0
head ⚡️ HEAD

Keg-only because macOS already provides this software.

Binaries: xmlwf

GitHub Packages downloads:

Last 30 days296,720
Downloads15,883,753
Analytics install events (30 days)121,787
Downloads / install events (30 days)2.4×

Source: GitHub Packages, fetched 2026-11-08T00:52:07Z. Analytics dates: 2026-10-09 to 2026-11-08. 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
Installs121,781295,2411,351,660
Installs (--HEAD)62188
Installs on Request3,50914,35661,366
Installs on Request (--HEAD)62079
Build Errors281