UTMBuilder.net - Easiest UTM tags builder
Clever - syncing between education applications for K-12 schools
Effin Amazing UTM Builder - Add UTM tags to your links from a Chrome Extension
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
InterestExplorer - Discover 1000's of hidden Facebook interests to target.
Claroline - Claroline is a collaborative eLearning and eWorking platform.