Clara - Clara is a virtual employee that schedules your meetings, getting you to the work that matters, faster.
Mobilizon - A free and federated tool to get our events off Facebook
Julie Desk - Virtual assistant using AI to schedule your meetings
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Mastermind Manager - Software for running mastermind groups
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.