7 People Finder Sites Like Intelius

Research & Knowledge

6 Education & Learning Sites Like IXL

Research & Knowledge

5 Reverse Image Search Sites Like TinEye

Photo & Video

7 How-To Instruction Sites Like WikiHow

Research & Knowledge

6 Online Casting Sites Like StarNow

Other

6 Design Firm & Consulting Companies Like Ideo

Business Management & Startups

7 File Sharing Sites Like 4Shared

Other

7 Local Business Listing Sites Like Manta

Research & Knowledge

7 Progressive News Sites Like Huffington Post

Research & Knowledge

6 Online Meeting Scheduler Sites Like Doodle

Social Networking

7 Logo Creation Sites Like Flaming Text

Photo & Video

5 Big File Upload Sites Like SendSpace

Work & Education