Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
Base.me - Monitor Your Backlinks Health, Expiry Dates, Their Cost and Link Builders Productivity Base is the advanced white-label backlinks tracking and link building management tool for SEO agencies who care about efficiently building the best possible links
Greenflare - Open Source SEO Web Crawler
SEO Checker - Website analyzer and SEO audit tool.
SEOJet - Instantly build customized backlink plans (that actually work) for your SEO clients.
Sitebulb - Crawl and visualize your website structure