Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.
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.
shorturl.is - Make long url's short. Statistics included!
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
ShrtFly - ShrtFly is one of the best URL shorteners, They offer Higher Payout Rates on Norway and United States Country.