The official communication from Vodafone about this open source initiative is out there.
VODAFONE DEMONSTRATES COMMITMENT TO OPEN SOURCE INNOVATION
Vodafone Group will make its location based services software open source on http://wayfinder.org The code will be made available on github. The aim is to offer other organisations the opportunity to use a code base which has been developed over the past decade so that they can build new and innovative navigation products which widen choice for consumers.
The complete text.
This means that we have enabled access for everyone to the source code hosted at github.com. Please consume and contribute!