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: Zepto.js is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API. It enables cross-browser DOM manipulation, event handling, animation, and Ajax with a lightweight codebase.
Type: software
Pricing: Open Source