Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Portant Workflow - Delete copy and paste from your life.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Pibit.ai - API to turn unstructured documents into structured data
Bigtent - BigTent is a web-based organization and communication portal for groups.
Recall.ai - The universal API for meeting bots