accessiBe - Making websites accessible to people with disabilities
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.
Clever - syncing between education applications for K-12 schools
Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...
Claroline - Claroline is a collaborative eLearning and eWorking platform.