Description: Derive is a mathematical software program used for symbolic and numeric manipulation of mathematical expressions. It has a graphical user interface and can perform various calculations, plot graphs, solve equations, and assist with math education.
Type: software
Description: LimeSurvey is an open source online survey tool for building and publishing online surveys. It allows users to create simple to advanced surveys, add logic like branching, distribute via links, and analyze response data.
Type: software
Pricing: Open Source