Open source trading platforms including Active Quant with Ubuntu Linux Java demo
http://quantlabs.net/membership.htm
This existed once upon a time. Point of this video was Linux is frustrating to use. I am sticking with Windows as a result to save time and money on painkillers.
NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!