Illustrator

http://vector.tutsplus.com/tutorials/tools-tips/quick-tip-how-to-create-a-simple-price-tag-icon/

http://www.beautifullife.info/web-design/20-apple-inspired-tutorials-for-practice-web-designers/

http://vectips.com/tutorials/shiny-buttons-without-blends-or-transparencies-in-illustrator/