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.
adf.ly - Earn money for each visitor to your shortened links with adf.ly!
Lstu - A nice and open source url shortener. You can use it as service or install it on your own server.
Shorte.st - Smart and easy way to get extra income from your traffic.
Anonymous URL Shortener - Anonymous URL Shortener, Referer, Anonymizer, Redirection service.
Ouo.io - Link shortener that earns you money for visitors to your links.