Checkbot - Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.
Channable - Channable offers an all-in-one tool for online marketing agencies and advertisers, from feed optimization and order sync to ad automation.
Fast Link Checker - An advanced tool to find broken links on web sites.
BlueWinston.com - Innovative product ads automation tool for Google AdWords
Pulno - SEO Audit and Website Analysis. Pull up your SEO.
DataFeedWatch - DataFeedWatch is a data feed management and optimization software for e-tailers.