Nodal Ninja has partnered with Easypano (as you see on the front page of their website). Easypano produces one of the industries best stiching and virtual tour software packages. Because of our agreement with Easypano we can pass along substantial discounts. http://store.nodalninja.com/category_s/62.htm And for a limited time if you buy both Panoweaver and Tourweaver from our website at the already discounted rate we will give you a FREE Nodal Ninja 3 MKII complete package. The offer is only valid through our website and cannot be used with other coupons or discounts.