libx11

Install command:
brew install libx11

X.Org: Core X11 protocol client library

https://www.x.org/

License: MIT

Development: Pull requests

Formula JSON API: /api/formula/libx11.json

Formula code: libx11.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 ✅ 1.8.14

Depends on:

libxcb 1.17.0 X.Org: Interface to the X Window System protocol
xorgproto 2026.1 X.Org: Protocol Headers

Depends on when building from source:

pkgconf 3.0.10 Package compiler and linker metadata toolkit
util-macros 1.20.2 X.Org: Set of autoconf macros used to build other xorg packages
xtrans 1.6.0 X.Org: X Network Transport layer shared code

GitHub Packages downloads:

Last 30 days1,538,170
Downloads54,958,811
Analytics install events (30 days)123,780
Downloads / install events (30 days)12.4×

Source: GitHub Packages, fetched 2026-11-08T00:52:06Z. 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
Installs123,775262,3681,363,875
Installs (--HEAD)5836
Installs on Request1,8252,3248,755
Installs on Request (--HEAD)237
Build Errors29