GeoGebra is a dynamic mathematics software that combines geometry, algebra, and calculus in a single platform. It allows users to create constructions and models using interactive tools, making it easier to visualize and understand mathematical concepts. The software is widely used in education, providing students and teachers with resources to explore mathematics in a hands-on way. GeoGebra supports various devices, including computers and tablets, and offers a community where users can share their work and access a vast library of materials.