Java Geometry Expert is free under the GNU General Public License (GPL).
The user may download and distribute it freely.
For a recent version of the GNU GPL, see https://gnu.org/licenses/gpl-3.0.html

Original authors: Shang Ching Chou, Xiao Shan Gao and Zheng Ye.

Some features were added by the JGEX Contributors <jgex@googlegroups.com>
See more information at https://github.com/kovzol/Java-Geometry-Expert

This software is free for any purposes (including commercialization) as long as
the original authors are mentioned in the software and listed among the creators.