Chars - Unicode Symbols Keyboard for iOS
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Falcon for iOS - Writing notes made simple
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
A5 - Takes notes in your browser. Elegant & simple.
Bigtent - BigTent is a web-based organization and communication portal for groups.