SimilarSites - Easily find more sites like those you like.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Top Similar Sites - Top Similar Sites helps you find similar, alternative or related sites to any website instantly.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
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.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.