A link validator for XHTML web pages that will crawl an entire site. Controllable on page-by-page or link-by-link basis.
WebTester is a handy site management tool, the primary purpose of which is to check your site for broken links. It will report both on missing files and on those which exist but aren't referenced. It can also check the validity of your external links
SpiderView is a program which can spider a webpage, testing the links found on the page, evaluating your server and its performance.
This link checker checks all 4xx, 5xx and many 3xx errors. Checks and appends smart URLs.
Checks an entire website for broken links. It can report the number of times each link or email is used and the status of each link.
This script will test a list of links and tell you which ones are bad links. It specifies which ones redirect to other pages, which are forbidden access links, which are successful, and which are 'File Not Found' pages.
Elsop developed LinkScan using a file system navigation approach to provide users with software capable of verifying many links in a short period of time.
This script maintains a password protected log file of all 404 not found errors that can be viewed at any time. | 
