Poplink - Customise every aspect of the links you share.
Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
ShortLink - Create local, easy to remember short 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.
New Bitly - Now it’s even simpler to create links that get more clicks
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.