3 ms·Skype, Hangouts, FaceTime and Slack are all free...?by dbbk 8y agoSkype, Hangouts, FaceTime and Slack are all free...?fyolnish 8y agoAs in beer.hjek 8y agoExactly. Ok, free/libre then if you insist. A link just to make sure: https://www.gnu.org/philosophy/free-sw.en.html https://www.gnu.org/philosophy/free-sw.en.html