Kifi - bookmarks made social
AdHype - The best link shortening service.
URL Multishortener - The first APP & BROWSER EXTENSION that allows you to shorten links on the fly with the best link shorteners that paid.
Pocket - When you find something you want to view later, put it in Pocket.
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
VivAds.net - shorten URLs and Get paid