Speaking.io - Brutally honest public speaking advice
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Speeko - A.I. powered public speaking and presenter coach
Event Hunt - Startups and Tech Events Curated By Locals
Poised - AI-powered communication coach for online meetings
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets