http://web2project.net/

"web2Project is a Free Open Source business oriented Project Management System (PMS) built for the future. Following the concept of a Rich Internet Application (RIA) we will be providing an interactive and effective way of managing projects."

I would suggest trying a new monitor too. I had a similar problem with "buzzing" noise caused by certain applications and mouse movement. Some type of frequency interference i think. New monitor worked for me. I also had a noise problem with an old laptop that i never figured out...perhaps it was just at the end of its life.