OpenPapyrus - The enterprise management system OpenPapyrus
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
Clever - syncing between education applications for K-12 schools
ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.
Claroline - Claroline is a collaborative eLearning and eWorking platform.