TechEvents.co - Tech and startup events aggregator
SkillMint - Find, meet and rate people with common skills and interests. Community-driven rating system.
Facebook Local - Discover places to go and events happening near you
AnyChan - AnyChan is a simple image-based bulletin board where anyone can post comments and share images.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
4chan - 4chan is a simple image-based bulletin board where anyone can post comments and share images.