appendTo | 444 followers on LinkedIn. We are a leader in modern web development specializing in custom solutions and expert-led training. Comprised of the most passionate developers, problem-solvers and innovators, we provide world-class front-end web development, full-stack web solutions, responsive web design, mobile app development and unparalleled training customized for the enterprise and development community. Since 2009, appendTo has collaborated with industry leaders including, Celebrity Cruises, Time.com, Lenovo, Pearson, Purdue Pharma and Blackberry to deliver superior solutions and the ultimate client experience.