Irradiated Software is offering 50% off on all their apps today. They sell iClip, Cinch, and SizeUp.
To read more about their products, head to http://www.irradiatedsoftware.com/
To get 50% off on any of their apps, use the coupon code BlackFriday11 when checking out.
These prices are also available in theOFFER EXPIRES NOVEMBER 28th