GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Clever - syncing between education applications for K-12 schools
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.
Claroline - Claroline is a collaborative eLearning and eWorking platform.