The Ameba Software Serial related APIs and examples are works based on libraries formerly known as
NewSoftSerial.hby Mikal Hart (http://arduiniana.org/libraries/newsoftserial).
These libraries are under GNU Lesser General Public License.
The Ameba GPS related APIs and examples are works based on Adafruit GPS library written by Limor Fried/Ladyada for Adafruit Industries (http://www.adafruit.com/products/746).
These libraries are under BSD License.