Ranker - Ranker goes far beyond Top 10 lists with deep rankings about everything, voted on by everyone.
Listly - Listly is lists made made easy + social + fun! If you like lists, you will love Listly.
Rewala - Decision-making application
TierMaker - Create a tier list for anything
OpposingViews - OpposingViews provides you the opportunity to read some of the most compelling articles on the Internet and watch exciting videos on a variety of topics.
Clever - syncing between education applications for K-12 schools