PersistIQ - It takes multiple touch points before a lead engages. PersistIQ automates the tedious parts while preserving the key human elements of sales
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Skrapp.io - Skrapp.io is the easiest solution to extract leads from Linkedin. In few seconds, you can find email addresses and launch your email prospecting project.
doopoll - Create live, instant, editable polls effortlessly
Clearbit - Clearbit provides Business Intelligence APIs
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.