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: iGoogle was a customizable homepage launched by Google in 2005. It allowed users to add widgets like weather, news, and Gmail to create a personalized homepage. iGoogle was discontinued in 2013 as usage declined.
Type: software