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.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Pollie - Create polls and share them via your favourite tools
Clever - syncing between education applications for K-12 schools
poll.ly - your perfect partner to gather ideas and opinions in real time
Claroline - Claroline is a collaborative eLearning and eWorking platform.