5.2.2 Online communication and trainings during the mobility

5.2.2.1 Formats of online communication

7. Web conferencing tools

Skype is widely praised by the users for some of its features that include free Skype meeting, PowerPoint collaboration and screen sharing. 

Cisco WebEx is a widely used web conferencing and online meeting tool, as well as MS Teams, Zoom, Google Meet, calendly..etc

Source: https://eztalks.com/video-conference/7-best-cloud-collaboration-tools.html