The SKAARHOJ Firmware updater includes the following open source components:
BOSSA Firmware uploader
Copyright (c) 2011-2012, ShumaTech
All rights reserved.
avrdude
GNU GENERAL PUBLIC LICENSE, Version 2, June 1991
ORSSerialPort
Copyright (c) 2011-2012 Andrew R. Madsen (andrew@openreelsoftware.com)