SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
SiteCheckerTool.com - Website Analytics & Tools
Linkody - Save time and money by managing your SEO linkbuilding with Linkody.
SEO PowerSuite - Get all SEO tools in one pack - download free edition of SEO PowerSuite and get top 10 rankings for your site on Google and other search engines!
SEOwl - Next-generation Rank Tracker & SEO Monitoring solution that understands modern SEO, finally
A1 Website Analyzer - Analyze websites and save data into XML, CSV etc. Extract data about internal linking and importance calculations, file sizes, download times, HTML validation errors etc. across entire websites.