Visualize and study your own geometry models. The data files may reside on your local computer or somewhere on the internet. Simply browse your local disk or type the URL of a model using a web form.

Solve ordinary differential equations interactively. Type the differential equation and drag the initial values.

Calculate the zero points of functions.

Measure distances on curved polyhedral surfaces using straightest or shortest geodesic lines.

This level solver computes algebraic surfaces given as zero set of a polynomial function. By Richard Morris and JavaView.

The Knot Simplifier untangles your knots and links. Try on your own knotted wires. By Maria Andreeva, Ivan Dynnikov, Sergey Koval, Iskander Taimanov and JavaView.

The unfolder allows to unfold any geometry to a collection of planar tiles.