PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
thingtesting - Your guide to new brands.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Tradeoffs - A show about products you know, with the insights you don’t.
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.
Product Hunt - A website that lets users share and discover new products