WiggleMouse is a java program that will wiggle your mouse to prevent your system from sleeping.
About
WiggleMouse is a java program that will wiggle your mouse at an interval determined by the user. It's released under the GNU General Public License version 3.
Documentation
WiggleMouse is written in java and therefore runs on GNU/Linux, Mac OS X, *BSD, Windows and all platforms with a java virtual machine installed.
Installation
No installation is required. Wigglemouse is distributed in a jar file. On most systems you only have to double click the jar file in your file manager. On other systems open your terminal and write
$ java -jar wigglemouse-0.1.jar
https://sourceforge.net/projects/wigglemouse/
http://wigglemouse.sourceforge.net/index.php?p=about