GeoGebra is a dynamic mathematics software that allows users to graph functions, create geometric constructions, and perform calculations. It offers a wide range of tools, including sliders, points, lines, vectors, and functions, which can be used to create interactive diagrams and animations. The software also includes a built-in programming language and the ability to export and import data in various formats. Additionally, it offers extensive support for educational use, including lesson plans, tutorials, and online resources.