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
Alternative.me - Welcome to alternative.me, the source of better software alternatives. Finding suitable software was never easier.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
SaaSHub - Find and promote software that will help you grow your business or to be more productive.
Ship Your Side Project - Make enormous progress on your side project in just 6 weeks