Skype for Slack - Move your slack discussions to a group skype call

Polycom - Polycom is a platform that offers services to users in the video conferencing area and enables them to stay connected with their team members and employees even through the home.

Aircall Now - Make voice calls inside Intercom Messenger 📞💬

EduGyaan - EduGyaan is a platform for secure video streaming that allows users to conduct online classes and lectures with complete security.

Calls on Slack - Make voice calls in Slack

Virdoot - Virdoot is a platform that comes with web and video conferencing tools that allow organizations to stay connected with their clients and employees.