SimilarStores - SimilarStores is a free tool that helps you to find similar stores to any store!
Top Similar Sites - Top Similar Sites helps you find similar, alternative or related sites to any website instantly.
Sites Like - Siteslike opened it's doors to the public on the 4th of december in 2008, since that time...
FreeSitesLike - FreeSitesLike is a user contributed website dedicated to offering its visitors with plenty of options to a specific website.
SimilarSites - Easily find more sites like those you like.
moreofit.com - Moreofit is the first (and best) website similarity search engine.