Metro Shrink is an beautiful, easy to use url shortener script, loaded with lots of unique features.

Main Features:

AJAX powered
Fully Featured Control Panel
Antispam
Public stats
Public and Private RSS Feed
Ban Ips
Powerful Advertising System with Ads balancer
Metro Shrink Linker Connects with Wordpress
Multi Shrink multiple urls and download the report
Stats for each Url
Works without javascript enabled.
Clean and beautiful design.
Make and Download qrCodes.
Unique bookmarlet with QrCode and share buttons!.
Powerful API , with GET and POST endpoints.
Simple API
Password protected urls
Click, and date limited urls
Custom and unique hash to make unique urls.
Black list for non allowed domains..
Resolver, find real urls behind services like https://www.tradebit.com or https://www.tradebit.com!
10 services supported!, also you can add your own services.
Client and Server side url validation.
Enhaced with latests web technologies: CSS3 + HTML5
Connected with Google Analytics to track every link and QrCode [1.1]
Administration secured by myAuth.
Full and Clean OOP code (and well documented).
5 minutes deployable.