Firmware and Source Code
From Wiki for Dragino Project
Firmware Type
There are now two different firmwares which can be used in Dragino MS14 or HE:
Mesh IoT Firmware
The Mesh firmware has enhance network support such as WiFi Mesh, 3G. It also support the basic Arduino Bridge features and remote upgrade. Link for this firmware:
Source code and How to Compile
Arduino Yun Firmware
This firmware is derived from the official Arduino Yun firmware with some bug fixed and support more avrs.