Gravit[2] is a free and open-source gravity simulator distributed under the GNU General Public License.

Gravit is a gravity simulator which runs under Linux, Windows and Mac OS X.

It is released under the GNU General Public License which makes it free.

Although the main goal of Gravit is to be as accurate as possible, it also creates beautiful looking gravity patterns.

Features As of some time in 2017, the website is dead, though the GitHub repository remains alive.