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.
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
Lessn More - Lessn More is a fork of Lessn with support for more types of short URLs than Lessn supported;...
Shorte.st - Smart and easy way to get extra income from your traffic.
Qlink.me - Link shortener and expander
Blanq.io - URL shortener with custom domains, analytics, traffic routing and link management.