Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
The Product Management guide - A book on how to create and ship products that people love
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Product School - The global leader in product management training
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
Product Management Exercises - A repository of product manager job interview exercises