QR Code generation
https://fukuchi.org/works/qrencode/index.html.en Also known as: libqrencode

Current versions

qrencode requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
libpng 1.6.34 Library for manipulating PNG images

Reverse dependencies

The following formulae require qrencode to be installed:
google-authenticator-libpam 1.05 PAM module for two-factor authentication
pass 1.7.1_1 Password manager
libbitcoin 3.5.0 Bitcoin Cross-Platform C++ Development Toolkit

Recent formula history

ilovezfs qrencode 4.0.0
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Dominyk Tiller qrencode 3.4.4
Jack Nagel Update revisions on libpng dependents
Stefan qrencode 3.4.3

Formula code at GitHub