Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.

UX9 - Free URL shortener. Customize, protect, call limits and expiration time may be configured. Free API and nice Customer area.

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.

Capsulink - Capsulink is a URL shortener that gives you the key tools you need to optimize your content and marketing strategies.

Bitly - Get the most out of your social and online marketing efforts. Own, understand and activate your best audience through the power of the link with Bitly Enterprise.

ShrtFly - ShrtFly is one of the best URL shorteners, They offer Higher Payout Rates on Norway and United States Country.