IziSEO!

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.

A web-based crawler with real-time crawl feedback.

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

A1 Sitemap Generators all sitemap file kinds including video, image, code, mobile, news and standard XML sitemaps. Customize templates for HTML sitemaps. Create URL list text file. RSS and ROR support as well. Includes lots of options for filtering output, crawl, upload, command line etc. The 30 days trial is fully functional.

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:

GSiteCrawler aka Google Sitemap Generator for Windows generates a Google Sitemap file for your website.

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.

PerfectPage is an online platform geared towards small business owners and bloggers who manage their own websites but don’t have corporate budgets. With our collection of tools you can submit a webpage to be evaluated based on an extensive list of page elements, track your analytics, be alerted if your website ever goes down, compare your website to your competitors’ sites, and watch how your visitors interact with your site via heatmaps and scrollmaps. The best part is that our platform super user-friendly so you can get started right away! Finally – a website dashboard for the rest of us. »

SEO Magnifier an online platform for the most usable SEO services for the webmasters. Paraphrasing tool, Word Counter, Article spinner, plagiarism checker are most popular services.

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.