Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Clever - syncing between education applications for K-12 schools
Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
Claroline - Claroline is a collaborative eLearning and eWorking platform.