Plane Geometry Software

By Xah Lee. Date: . Last updated: .

Many files of various math software are used on this site and can be downloaded free.


Mathematica icon Mathematica is a general purpose software for doing mathematics. There are about 90 Mathematica notebooks on this site, and about 10 Mathematica packages. See Mathematica Packages for Plane Curves.

Mathematica home page:



GeoGebra is a interactive plane geometry software.

GeoGebra home page: .

As of , there are ~60 GeoGebra files in this project.

Geometer's Sketchpad

gspIcon gsp Geometer's Sketchpad (GSP) is a interactive plane geometry software.

Geometer's Sketchpad Closed Shop?

There are about 117 GSP files on this site.

For the Mac, here's GSP's file type.

Geometer's Sketchpad Mac OS file type
MINE typefile name suffixMac file type codeMac creator code

Note: for GSP versions before 4 (roughly before 2001), the file type for sketch files should be “GSPk”, and the creator code should be “GSP!”