appear.in provides one-click video conferences right in your browser without requiring PIN codes or additional software.

Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.

Hangouts is an instant messaging software developed by Google.

join.me is a free screen sharing, online meetings and team collaboration platform.

Tango is the messaging app with the best video calling. All messages and calls are free.

Viber Free Messenger and Phone Calls.

Dasher Messenger provids a way to message friends.

Fring connects with Skype, MSN Messenger, ICQ and Google Talk from your iPhone.

Hibox provides task management, business chat and video calls.

Sneek is a constant presence tool for digital nomads, remote jobs.

Toky is an automation platform.

VSee is the only video visit + telehealth platform used by NASA astronauts on the Space Station.