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: PyGTK is a Python binding for the GTK toolkit, allowing you to build graphical user interfaces in Python using GTK. It provides an object-oriented interface to GTK+ that is easy to use.
Type: software