Socializr - Share events with your friends!
Personal Restaurant Recommendations | Restaurant Reviews | Foodio54.com
Jaiku | Your Conversation
CrowdChess - The ultimate "wisdom of crowds" battlefield
Twitt(url)y - Real-time Link Tracking on Twitter
Your life, on the line - Plurk.com
Find the Best Twitter Apps for the iPhone, Blackberry, Web & More - oneforty
Thinglink
loc.alize.us - Explore your world through everyone's eyes
ConvinceMe - Debate Online
Pligg CMS | Open Source Content Management System
SocialCompare - Collaborative Comparison Engine about everything to make decisions easier
Lists made easy + social + fun! - list.ly
SodaHead - Ask or Answer Questions, Discuss News, Express Opinions, or Create Polls
Formulists
Voote.com - Online Polls
Listgeeks
Plancast - Find Things to Do & Upcoming Local Events | Event Planning & Promotions | Plancast
Check Username Availability at Multiple Social Networking Sites