Cast Your Vote - Cast Your Vote is an app that allows you to set polls and a voting system and know the answer to your question.
Clever - syncing between education applications for K-12 schools
Pollie - Create polls and share them via your favourite tools
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
poll.ly - your perfect partner to gather ideas and opinions in real time
Claroline - Claroline is a collaborative eLearning and eWorking platform.