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: Scratch is a free visual programming language and online community that makes it easy for anyone to create interactive games, animations, and more. It uses a drag and drop interface with colorful blocks that snap together to build programs.
Type: software