Linkello - Video calls simplified, no installation required.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Torchat - TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of...
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.
OpenTok - Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .
Slack - A messaging app for teams who see through the Earth!