1TinyLink - One Tiny Link allows you to reduce long links from websites such as Facebook, Twitter, YouTube, Linkedin as well as other sites on the internet for free.
TinyURL - Are you sick of posting URLs in emails only to have it break when sent causing the recipient to...
Polr - An open source URL shortener. A great non-profit and free alternative to bit.ly, TinyURL, or goo.gl.
Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.
Akari Link Shortener - Anime-themed URL shortener.
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.