Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
Whimsical Sticky Notes - Visual project management using sticky notes
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Jot - The no-fuss way to take notes
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Gone - An ephemeral to-do list