Fabricator - Build your UI toolkit for website design
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Carrd - Simple, responsive one-page site creator.
Clever - syncing between education applications for K-12 schools
Flexbox Grid - Grid based on CSS3 flexbox
Claroline - Claroline is a collaborative eLearning and eWorking platform.