Storyboard That - Storyboard That is the world's best online storyboard creator.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Storybird - Visual storytelling community
Clever - syncing between education applications for K-12 schools
Storyboarder - Storyboarder makes it easy to visualize a story as fast you can draw stick figures.
Claroline - Claroline is a collaborative eLearning and eWorking platform.