pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Zentyal - Linux directory, domain, mail, gateway and infrastructure server for SMBs.
Clever - syncing between education applications for K-12 schools
NethServer - NethServer is an operating system for Linux enthusiasts, designed for small offices and medium...
Claroline - Claroline is a collaborative eLearning and eWorking platform.