Clara - Clara is a virtual employee that schedules your meetings, getting you to the work that matters, faster.
Ring4 Meeting - Dead simple video conferencing - free, in browser
Mia - Virtual assistant for meetings
Fellow.app - A manager’s co-pilot for 1:1s, meetings, feedback & goals 🚀
Mastermind Manager - Software for running mastermind groups
openmeet - Account free video conferencing with a rooms component that lets you use VC within a physical meeting room. The server can also be hosted in your own cloud for extra privacy/security.