Linkello - Video calls simplified, no installation required.
Torchat - TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of...
jTorchat - jTorchat stands for Java Torchat, and is a complete rewrite of the popular p2p IM messenger Torchat
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
qTox - A Qt graphical user interface for Tox.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.