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: QuickTime Player is a free media player application developed by Apple. It can play a wide variety of audio and video formats. It has basic editing features for trimming and rotating videos.
Type: software
Pricing: Free