Rebrandly API - Empower your app with custom short links
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
ShortLink - Create local, easy to remember short links
Poplink - Customise every aspect of the links you share.
1LINK.IO - Convert web users to your app. Device detection, landing page and analytics included.
PixelMe - URL shortener for savvy marketers