BLT - Braxton's Link Tester
- 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.
- http://www.bltformac.com/

Link Checker Pro
- Analyses websites for broken and problem links with data export options to HTML, Excel, and text formats.
- http://www.link-checker-pro.com/

Web Link and Link Checker
- Utilities for verification of links accuracy, existence and availability. Using this powerful tool webmasters can find broken links or links containing syntactic errors.
- http://www.relsoftware.com/

Site Vigil
- A sophisticated web site monitoring tool that checks access to pages, unexpected surges or lulls in visitor traffic to your web site. Check all links and pages on a web site.
- http://www.silurian.com/sitevigil

Site Map Pro
- Automatically create a professional and fully configurable sitemap for your website. This will allow your visitors to effectively navigate your site.
- http://www.sitemappro.com

LinkController
- Supports maintenance of web pages with links by checking links in a low maintenance and low resource usage manner. Primarily targeted at GNU based systems such as Linux but also at POSIX systems with Perl.
- http://scotclimb.org.uk/software/linkcont/link-controller-homepage.html

ht://Check
- A console application written for GNU/Linux systems in C++. [GNU GPL]
- http://htcheck.sourceforge.net

LinkChecker
- Check HTML documents recursively for broken links. Supported link types are http, https, ftp, mailto, news, nntp, gopher, telnet and file.
- http://linkchecker.sourceforge.net/

Web Data Extractor
- A powerful web data, link, email extractor utility. Collect targeted data from web for responsible internet marketing, website promotion, list management and research.
- http://www.webextractor.com

Quest Software Funnel Web Profiler
- Beyond analyzing usage, provides a web map and display of how pages and data are linked together across your site. Part of the Funnel Web suite.
- http://www.quest.com/funnel_web/profiler/

LinkLint
- Perl program checks all links on a web site, either by a local site scan or remote site scan. [GNU GPL]
- http://www.linklint.org/

Link Police
- Commercial quality link checker enables you to check all your website links and images automatically.
- http://www.web-site-tools.com/linkpol.htm

Extract Link
- 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.
- http://www.spadixbd.com/elink/

ChangeAgent
- 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].
- http://www.xlanguage.com/products/cagent.htm

CheckLinks
- A link checker that uses the xmlHttpRequest object to find broken links.
- http://www.markup.co.nz/validate/checkLinks.htm

SiteMapper
- SiteMapper will analyze the contents of a web site, and create a detailed map with an indexed listing of all resources by page and category.
- http://trellian.com/mapper/

Link Valet
- From one URL, it can fetch one page or spider the site, and create a report.
- http://valet.htmlhelp.com/link.html

W3C Web Walker
- Sample robot application With portable source code, using the LibWWW library, which can be used to create a link checker application.
- http://www.w3.org/Robot/

LinxCop
- Windows Program designed to make your daily link-checking totally automated.
- http://www.filehouse.com/linxcop/

MOM Spider
- Perl robot that specializes in the maintenance of distributed hypertext infostructures.
- http://www.ics.uci.edu/pub/websoft/MOMspider/

Ixsite Web Analyzer
- A site management and reporting tool featuring link checking, orphan detection, and website mapping.
- http://www.ixacta.com/products/ixsite/

LinkQuality Benchmark
- Weekly statistics about broken links and site quality across the web taken from checking links at sites in 19 categories. Based on the LinkAlarm software.
- http://linkquality.com/

NodeWorks
- Advanced Web link checker. Features dead link verification, Shockwave/Flash file format checking and scheduling of Web and e-mail reports. Free trial and commercial service can be configured to check as many sites as desired.
- http://www.nodeworks.com

Checkbot
- Perl utility which checks internal and external links via http, writing the results to an HTML file.
- http://degraaff.org/checkbot/

LinkAlarm
- Automatic, scheduled link checking with email notification. Nothing to install - just use a browser. Commercial service with a free trial.
- http://linkalarm.com

LinkScan
- Link checking and website management tool for Unix, Linux and Windows. It also validates html and produces sitemaps.
- http://www.elsop.com/linkscan/

CyberSpyder Link Test
- Windows URL-verification software with nice site mapping and outlining features. Shareware.
- http://www.cyberspyder.com/