3D Hubs - Airbnb for 3D printing
SHAREit - SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.
Muglaunch.com - Design and sell print on demand products easily @ Muglaunch
ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
Zazzy - Design and sell your own 3D printed jewelry
Send Anywhere - Send whatever you want, wherever you want