CDisplay Ex - CDisplay Ex is the most used comic book reader.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
YACReader - Download YACReader for your platform. Windows, Linux, MacOSX. And enjoy you comic books cbr cbz with the best comic reader.
Clever - syncing between education applications for K-12 schools
Tachiyomi - A free and open source manga reader for Android.
Claroline - Claroline is a collaborative eLearning and eWorking platform.