GeoGebra is a free and open-source software for math education that integrates geometry, algebra, and calculus. It allows users to create dynamic mathematical constructions and models, and also provides tools for graphing functions, analyzing data, and creating 3D models.

GeoGebra is available as a desktop application for Windows, Mac, and Linux, as well as a mobile app for iOS and Android. It is commonly used in classrooms for teaching mathematics and also by researchers and professionals for creating visual representations of mathematical concepts.

The software offers a variety of features, including a drag-and-drop interface, tools for creating points, lines, and shapes, the ability to plot functions and data sets, and the ability to animate and interact with mathematical constructions. GeoGebra also offers features for creating and sharing worksheets, as well as an online community where users can share and collaborate on projects.

GeoGebra is one of the best open source software, suitable for teachers who want to build or adjust student learning experience ,such as distance learning or take full advantage of today's technology.

Key Features:

• Multiple representations: GeoGebra provides multiple representations of objects, including algebraic, geometric, and numeric representations.
• Interactivity: Users can manipulate objects and see the changes in real-time, allowing for a more interactive learning experience.
• Integration: GeoGebra integrates algebra, geometry, calculus, and statistics in a single software, making it a versatile tool for mathematics education.
• Accessibility: GeoGebra is available as a free desktop application, web-based application, and mobile application.
• Collaboration: GeoGebra allows for collaboration and sharing of constructions through the GeoGebraTube platform.
• Customization: Users can customize the interface and create their own tools and commands using GeoGebra's scripting language.