There are many popular URL Shortening services provider on the web like tinyurl, bit.ly, su.pr, the basic idea for an URL shortening service is to replace the long URL in to easy to remember short URL, now days URL shortening service demands are increasing in regular computer users in Social Networking Sites,
Shorty is a simple tool for creating shorter, human- readable links from long URLs. You install Shorty on your server, so the links you create with it never go away. You can also manage your links and see how often people click on them.
PHPurl is a simple script to shorten URLs. Optionally, custom URLs can be defined for more readable links. The script is created with PHP & MySQL.
KISSA BE (updated)
kissa.be is shortener your url, email text and image and open source url shortener clone of tinyurl.
below all features in new latest version3.
1. Custom Url
2. Membership & twitter integration.
3. Copy 2 Clipboard
4. Statistic Page, Frame to iFrame.
5. Multilanguage support
7. Firefox add-on
8. Easy Installer Script
TightURL is a PHP/MySQL script which has a nice spam control feature. It checks entries in various spam databases before shortening them.
BrokenScript is a URL shortening service that allows you to shorten long Internet addresses for easy reference.
The script has a captcha & re-captcha support to prevent bots. It also comes with a basic admin interface which enables deleting URLs.
YOURLS is a small set of PHP scripts that will allow you to run your own URL shortening service, you can pick custom keyword URLs, it comes with its own API. You will love it.