TheSquareFoot - Easily find the right office space for your budget
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
Pivotdesk - Office sharing marketplace
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Deskimo - Workspaces on demand, paid by the minute
Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.