X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.

Callmama - Get cheap international calling, international virtual number, Call Mama Gives an added advantage to send message and make calls to non-user of Callmama App.

Simple Poll - The easiest way to create polls in Slack

CallHippo - Easy to use Phone System with World-Class Support

Padlet - Visual boards for organizing anything.

KrispCall - Virtual cloud phone system for business