Bitly is a link management and shortener platform.
Pixeljoy is a URL shortening service that lets you retarget your link visitors, advertise to them, manage your branded links, and collaborate.
Rebrandly is the easiest way to create and share branded links (short URLs using your own domain name).
Short.cm is a white label link shortener, which allows you to create short links on your own domain.
Shorten.REST is a flexible, robust, scale-able and transactional URL Shortening app.