Marble is a geographical atlas and a virtual globe which lets you quickly explore places on our home planet. You can use Marble to look up addresses, to easily create maps, measure distances and to retrieve detail information about locations that you have just heard about in the news or on the Internet. The user interface is clean, simple and easy to use.
Scratch is a multimedia authoring tool that can be used by students, scholars, teachers, and parents for a range of educational and entertainment constructivist purposes from math and science projects, including simulations and visualizations of experiments, recording lectures with animated presentations, to social sciences animated stories, and interactive art and music. Simple games may be made with it, as well.
GeoGebra 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 its desktop applications for Windows, Mac OS and Linux, with its tablet apps for Android, iPad and Windows, and with its web application based on HTML5 technology.
Step is an open source two-dimensional physics simulation engine that is included in the KDE SC as a part of KDE Education Project. The software includes the StepCore, a physical simulation library.