Koloo

By using Koloo you will be able to manage your event with the following features:
Ask your friend yes/no questions
Ask your friends for the best time for the event
Manage a list for different things that you and your friends should bring to the event
Set location and navigate easily by pressing the location button.
Add the event directly to your calendar
InApp chat

To be continued: Payment system that will allow you to transfer payments to the event page.