Thankbot - Drive more business with handwritten notes
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Thankster - Automagically send hand written cards
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
Socialkeeper - Cultivate your friendships
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets