The occurrence of diabetic foot ulcers and venous leg ulcers is increasing because of aging population trends as well as increases in the number of people with diabetes and obesity. New technologies have been developed to treat these conditions, whereas other technologies previously designed for burns and traumatic wounds have been adapted. This article reviews the development of selected skin replacement technologies, particularly cellular and tissue-based products, highlighting their effectiveness on diabetic foot ulcers, venous leg ulcers, and burns.