Netpeak Spider - A desktop tool for fast and comprehensive technical audit of the entire website.
SnapShot - All your brand's social profiles, one weekly report.
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.
Twtrland - Build your twitter presence and connect w/ influencers
SEO Crawler - A web-based crawler with real-time crawl feedback.
Keyword Hero - Keyword Hero is an SEO tool for organic keywords.