Site Audit by Ahrefs - Cloud based website analysis for 100+ SEO issues
SEOptimer - SEOptimer is the fastest-growing SEO auditing and reporting tool that quickly scans your whole site and generates a helpful report.
Monaeo Personal - Prevent & win residency audits
Boostsite - Easy & intuitive on-site SEO audit tool.
SEOtooList - Find the best SEO tool for the right job (community curated)
Urllist - Urllist is a suite of marketing and social sharing tools.