Digi XBee® Wireless RF Modules - Digi International

radio controller

Firefly

Firefly

A plugin for Rhino for arduino interfacing

Arduino - HomePage

Dank

Makes Grbl. A G-code controller for milling machines

Synthetos

Makes the Grbl Shield. A shield for the arduino that allows you to run grbl with higher powered motors

Geckodrive Step Motor Controls, stepper drives, servo motor controls

Popular Amplifiers for stepper drives (good for high powered GRBL)

Shapeoko | Precision by DefaultShapeoko | Precision by Default

An inexpensive kit for making a small cnc

http://www.123dapp.com/make/

free software for capturing, and outputting 3d images

Netfab

online mesh fixing. free

Font Awesome, the iconic font designed for use with Twitter Bootstrap