HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.

AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.

SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.

SimilarSites - Easily find more sites like those you like.

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.

SimilarStores - SimilarStores is a free tool that helps you to find similar stores to any store!