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: jRuby is an implementation of the Ruby programming language that runs on the Java virtual machine (JVM). It allows developers to use Ruby syntax and libraries while leveraging the performance, scalability, and enterprise features of Java.
Type: software