Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
IceCream - Free up space fast and never miss a moment again
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.
Photowipe - Delete photos quickly and easily from your iPhone