Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.
Shorten.REST - A URL shortener API you can depend on
LinkHuddle - Make your links more appealing and organized
PixelMe - URL shortener for savvy marketers
Links List - Simply create a list of links. Then share it!
Pixela - Record and Track your habits or effort. All by API.