PHP Short URL Script - GentleSource.com
PHP Short URL Script - GentleSource.com
TinyURL.com - where tiny is better!
RURL
Domainr: fast, free, domain name search, short URLs, international domain registration
7 Best URL Shorteners of 2012 And Their Benefits - O'Reilly Answers
Social Media Marketing Tools: 11 Tools to Shorten URLS
URL Shortener und Redirects - Hendrik Jacob's Blog
Unshorten that URL! - Unshorten.It!
In short, stop using brief URLs | Macworld
CheckShortURL - Your shortened URL expander
What is a Branded Short Domain (bsd) and how do I get one? – Bitly
How do I set up a Branded Short Domain (BSD)? – Bitly