Broken links in websites is a very bad for a healthy websites, one should always check there links regularly, here is a list of 7 tools to check broken links.
This Link Checker looks for issues in links, anchors and referenced objects in a Web page, or recursively on a whole Web site.
This is a simple and easy to use broken link checker from iWebTool. There is a simple tutorial on how to use this tool. iWebTool has a lot of tools for webmasters, including some SEO tools which i think worth a look if you have time.
In order to use this service, you need to provide them your email address and categories of your website. Enter your URL and other necessary details, they will analyze your website for broken links and then send you a link for the completed report.
LinkTiger provides advanced link checking features such as email you when the broken links are found and has a dashboard with interactive interface. It manages to scan PDF, CSS, Flash and MS Office files for broken links too.
Submit Express is another broken link checker tool that helps to locate tricky links for better usability of the website. The outgoing link on your web page can be checked using this tool as well.