Great Software For 3D Visualization Of Geometry
This page lists some fun geometry software i've used. Usually they are visualization software for non-Euclidean geometry or higher-dimensional geometry.
download at http://www.geometrygames.org/CurvedSpaces/index.html. Mac OS X Windows
By cosmologist Jeff Weeks.
Jeff Weeks wrote a excellent book to accompany the program. The Shape of Space Buy at amazon.
SeifertView by Jack van Wijk, is a software to visualize Seifert Surfaces.
a Seifert surface is a surface whose boundary is a given knot or link.
If you have a question, put $5 at patreon and message me.