Violin by Trala - Violin by Trala is a music learning app that is designed specifically for Violin users.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Metronaut - An app to help you play classical music
Clever - syncing between education applications for K-12 schools
Flat - Online collaborative music score and tab editor, accessible from any device
Claroline - Claroline is a collaborative eLearning and eWorking platform.