Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
quippd - quippd is a social news site that anyone can edit.
Event Hunt - Startups and Tech Events Curated By Locals
Curiyo with My2¢ - Don't just follow people, follow topics
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Jobs List - All the jobs from job boards in one place