Zazzy - Design and sell your own 3D printed jewelry
Bizness Apps - Create your own app or become a reseller and build apps for others
3D Hubs - Airbnb for 3D printing
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
Mockupify - Automate your print-on-demand product creation process
Dropsource - Mobile development platform for building native iOS & Android apps