GoToWebinar - Webinar & Online Conference | GoToWebinar
Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
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.
qTox - A Qt graphical user interface for Tox.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.