Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Flutin Live - Flutin Live is an online live streaming platform for mobile and desktop browsers made for Windows.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Event Finda - Find events near you, and all around the world.
Bigtent - BigTent is a web-based organization and communication portal for groups.
Ecommerce Events - Browse through dozens of past, present, and future events