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: Zenity is an open source command line utility for Linux that allows creating simple graphical user interfaces from shell scripts or command line. It is useful for writing scripts that need to display messages, show progress bars, display dialogs to collect user input, and more.
Type: software
Pricing: Free