www.marketscreen.com www.traderbot.com Both require subscription, with the latter you can take a trial.
http://insight-trading.com/ http://www.neovest.com/firstalert.html They are both expensive, but these two are what a lot of pro firms use.
Try the link below. I've had it for 4 months with good success. Cost about $60 per month. Plus 14 free day trial. You can then buy for just 3 months. The support is very good but they don't have alot of people. Daytradingstocks.com uses them for their work. I have no affiliation with them. www.sortwizard.com