3D Hubs - Airbnb for 3D printing
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Muglaunch.com - Design and sell print on demand products easily @ Muglaunch
Splash - Anyone can create a Splash event, whether you're a company hosting a single event or an individual hosting a personal event like a birthday or wedding. Get Started for Free. Text goes here. X. Full Event Program.
Zazzy - Design and sell your own 3D printed jewelry
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.