HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.
OffSEO - Make a difference, improve your site with our free on page SEO report.
SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.
Bullmask - Bullmask is a popular torrent search engine. It provides free Movies, Ebooks, Softwares and more. They offer free website stat tool with Bullmask Analyze.
micro-analytics - Public analytics as a Node.js microservice 📈
cutestat - Website Stats and Valuation. CuteStat.