xclip

Command-line utility that is designed to run on any system with an X11
https://github.com/astrand/xclip

Current versions
0.13

xclip requires the following formulae to be installed:
autoconf 2.69 Automatic configure script builder
automake 1.16.1 Tool for generating GNU Standards-compliant Makefiles

Recent formula history

Claudia xclip 0.13
Mike McQuaid xclip: import from homebrew/x11.

Formula code at GitHub