Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Stonly - Create interactive step-by-step guides
Event Hunt - Startups and Tech Events Curated By Locals
UserGuiding - User onboarding made easy, for less. Create product walkthroughs in a couple of clicks, without breaking the bank.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
ScribeHow - Create step-by-step user guides, with a simple click