Humbler - Find events that support causes you care about
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.
Event Finda - Find events near you, and all around the world.
Alternative.me - Welcome to alternative.me, the source of better software alternatives. Finding suitable software was never easier.
Rally by Eventbrite - Find the best local events and rally your friends to join
Capterra - Capterra helps millions of people find the best business software. With software reviews, ratings, infographics, and the most comprehensive list of the top business software products available, you're sure to find what you need at Capterra.