GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.
Geometry Pad - Geometry Pad is a dynamic geometry application for iPad and Android tablets.
Cinderella - Cinderella is the interactive geometry software and a universal tool for visualization and...
Autograph - Autograph is a dynamic PC program operating in 3 modes: 1D - Statistics & Probability
Cabri - Cabrilog presents its maths software: Cabri 3D, Cabri II Plus and Cabri Jr. Maths softwares
Giac/Xcas - Free computer algebra system