TK-MBA-2:~ taka$ brew info ettercap ettercap: stable 0.8.2 (bottled), HEAD Multipurpose sniffer/interceptor/logger for switched LAN https://ettercap.github.io/ettercap/ /usr/local/Cellar/ettercap/0.8.2_1 (75 files, 2.3MB) * Poured from bottle on 2017-05-25 at 14:14:48 From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/ettercap.rb ==> Dependencies Build: cmake ✘ , ghostscript ✘ Required: pcre ✔ , libnet ✔ , openssl ✔ Optional: ghostscript ✘ , gtk+ ✘ , gtk+3 ✘ , luajit ✘ ==> Options --with-ghostscript Build with ghostscript support --with-gtk+ Build with gtk+ support --with-gtk+3 Build with gtk+3 support --with-luajit Build with luajit support --without-curses Install without curses interface --without-ipv6 Install without IPv6 support --without-plugins Install without plugins support --HEAD Install HEAD version TK-MBA-2:~ taka$ ettercap --with-gtk+ ettercap 0.8.2 copyright 2001-2015 Ettercap