mscgen

http://www.mcternan.me.uk/mscgen/

Current version
0.20

mscgen requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
gd 2.2.5 Graphics library to dynamically manipulate images
freetype 2.9 Software library to render fonts

Recent formula history

Dominyk Tiller formulae: automated style & syntax fixes
Mike McQuaid Import formulae from Homebrew core.

Formula code at GitHub