Description: GeoGebra is free and open-source dynamic mathematics software for all levels of education. It combines geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. It can be used to teach math from elementary through university level.
Type: software
Pricing: Open Source
Description: Giac/Xcas is an open-source computer algebra system for symbolic computation. It can perform calculations, solve equations, simplify expressions, plot graphs, and more. It has a graphical user interface and can integrate with software like SageMath.
Type: software
Pricing: Open Source