Clara - Clara is a virtual employee that schedules your meetings, getting you to the work that matters, faster.
Busy Zone - Have you ever tried to agree on meetup date and time with several people?
Ahoy.ai - A 1-step, autonomous meeting scheduler.
Tastemates - Find mates who share your taste
MeetFox - Seamless meetings, online scheduling, video calls & payments
Mesh - Slackoverflow wrapped in a social network