FeedbackSpark's answer
Range of powerful features designed specifically for digital product teams:
Back Market - the refurbished (super) market
PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
Tracksuit - Beautiful, always-on, and radically affordable brand tracking for modern consumer brands. Tracksuit is the new way to measure, understand and communicate the value of brand.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
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.