Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

PhoneClean - PhoneClean is the best and even free iPhone cleaner software for all your iPhone cleaning, maintaining and privacy protecting needs. It brings you the new iPhone, iPad experience that you will appreciate every day.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Macgo iPhone Cleaner - Macgo iPhone Cleaner is an excellent iOS cleaner tool.

Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.

CleanMyPhone - iPhone Cleaner is designed to free up storage space on iOS devices by removing junk files and Documents & Data, other data etc.