GoToWebinar - Webinar & Online Conference | GoToWebinar
PuTTY - Popular free terminal application. Mostly used as an SSH client.
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.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
iTerm2 - A terminal emulator for macOS that does amazing things.