Raindrop.io - All your articles, photos, video & content from web & apps in one place.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Clever - syncing between education applications for K-12 schools
Linker - Cloud based bookmark manager
Claroline - Claroline is a collaborative eLearning and eWorking platform.