Link Checker

Listings
Smart bookmark manager and Web monitoring program checks Web sites for new stuff, detects dead links and duplicates, searches and sorts bookmarks.
http://activeurls.com
JC Whitney's Web site is the place to go when you need checker parts. From car covers to seat covers, mirrors to mufflers, stereos to scanners, they have it all. Free shipping.
http://www.jcwhitney.com/
Web Link Validator (formerly Web Link Checker) is a tool for webmasters to check Web site links for accuracy and availability, find broken links or paths and links containing syntax errors.
http://www.relsoftware.com/