URL Shortening in the Yahoo! Directory

TinyURL.com
Providing URLs that won't break in email.
tinyurl.com
TinyPic
Free image hosting featuring small and manageable URLs.
www.tinypic.com
bit.ly
Shorten long URLs with bit.ly, a simple, small URL service.
bit.ly
notlong
Make a long URL not long.
notlong.com
SnipURL
Provides a tool to shorten long web links, track their interest levels, and share them in emails.
www.snipurl.com
shortText.com
Post any text into the box and share it with others via an automatically generated URL.
www.shorttext.com
Make A Shorter Link
Handy utility shortens the web address for pages with long URLs.
www.makeashorterlink.com
Doiop.com
Create brief URLs using your own keywords.
www.doiop.com
Sqworl
Use Sqworl to turn a bunch of long dumb website links into one single smaller link with pretty web previews.
www.sqworl.com
ShorterLink.com
Turns long URLs into a shorter link for cutting and pasting into emails or elsewhere.
www.shorterlink.com
Powerful Whittle Redirect
Shortens large URLs into a small, little, or tiny URLs for easily sharing in emails and social networking sites.
www.pwr.com
CLipURL
Free service lets users change long URLs into short ones.
www.clipurl.com
LittLink
Easily turn long URLs into little links on the site or via a bookmarklet.
www.LittLink.com
LinkTrim.com
Free service for shortening long links.
www.linktrim.com
SkinnyLink URL Converter
Simple interface allows users to convert long URLs to short ones.
www.skinnylink.com
SmallURLs.com
Turn hard to remember URLs into short ones.
www.smallurls.com
LittleURL.com
Free online URL shortening tool.
www.littleurl.com
Shor7.com
Offering url shortening.
www.shor7.com
shorl.com
Makes long URLs short. Also offers a bookmarklet.
www.shorl.com