Stonly - Create interactive step-by-step guides
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
ScribeHow - Create step-by-step user guides, with a simple click
Event Hunt - Startups and Tech Events Curated By Locals
The Spoke - A social discovery app powered by the people you trust.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets