YOURLS - YOURLS is a website that contains all the tools you need to create and launch your very own URL shortener. URL shorteners like bitly or TinyURL are fine for public use, but they offer limited options in terms of URL customization.
URL Multishortener - The first APP & BROWSER EXTENSION that allows you to shorten links on the fly with the best link shorteners that paid.
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
Qlink.me - Link shortener and expander
Blanq.io - URL shortener with custom domains, analytics, traffic routing and link management.
Ow.ly - Shorten links, measure traffic, and demonstrate social ROI right inside the Hootsuite dashboard.