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tinu.be's answer:
All features are totally free.
I'm using to shorten my company urls, and looks great. I can shorten and customize the url name for free, this is awesome.
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.
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
TinyURL - Are you sick of posting URLs in emails only to have it break when sent causing the recipient to...
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.
Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
T.LY - The best link management service to track, brand, and share short URLs in one simple click