Verlocal iOS App - The app to rediscover your city with local experiences.
Hunter - Find all the email addresses related to a domain
Flamyngo - Create a city guide with help of your friends.
AnyMailFinder.com - Find anyone's email address
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
EmailMatcher - Find anyone's email address in a matter of seconds, for free