GeoGebra

GeoGebra (a portmanteau of geometry and algebra) is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level. GeoGebra is available on multiple platforms, with apps for desktops & laptops (Windows, macOS and Linux), phones & tablets (Android, iPhone/iPad and Windows RT), web. As of 2025, it is owned by Indian edutech firm Byju's.