Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!
Event Hunt - Startups and Tech Events Curated By Locals
Sheep - Membership and events for SMEs and nonprofits
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
DbFace - DbFace is an online database application & report building tool.