Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Galette - Galette is a membership management web application towards non profit organizations.
Clever - syncing between education applications for K-12 schools
Bigtent - BigTent is a web-based organization and communication portal for groups.
Claroline - Claroline is a collaborative eLearning and eWorking platform.