BLT is a freeware link checking program for Mac OS X. Its main purpose is to allow web developers to check all objects on their sites to ensure that they exist before making their sites publicly accessible.

Discover broken links, investigate their cause, and repair them in a single, integrated environment. Remove orphan files and reorganize a site while maintaining link integrity. [Windows].

Freeware for Windows 95/98/NT. 72K download, about 150K unzipped. French/English. Check internal and/or external links, images. Option to report only errors.

Windows URL-verification software with nice site mapping and outlining features. Shareware.

A link extraction utility to search and extract (http, ftp, email, news) links or text from any type of file. It can also search inside archived files, and support extraction depth.

A console application written for GNU/Linux systems in C++. [GNU GPL]

Windows Program designed to make your daily link-checking totally automated.

A site management and reporting tool featuring link checking, orphan detection, and website mapping.

Analyses websites for broken and problem links with data export options to HTML, Excel, and text formats.

From one URL, it can fetch one page or spider the site, and create a report.