SE Auditor!

Xenus Link Sleuth checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets. It displays a continously updated list of URLs which you can sort by different criteria. A report can be produced at any time.

The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

ContentKing provides Real-time SEO Auditing and Content Change Tracking.

Netpeak Spider is your personal SEO crawler that helps you do a fast, comprehensive technical audit of the entire website. This tool allows you to:

SEO Crawler makes it easy to crawl any type of website and to get the most important SEO data - title, description, keywords, site structure, missing links, broken links and more. You can crawl you own website or your competitors!

DeepCrawl is the world's most comprehensive website crawler. Analyse your website architecture to understand and monitor technical issues to improve SEO performance.

BacklinksXRay provides SEO professionals & Webmasters an All-In-One Backlinks Analysis, Detox and monitoring solution.

Presenting Visual SEO Studio, a desktop SEO Software with an innovative visual approach to Search Engine Optimization. Free version available. Complex SEO tasks made easy.