Government Forge provides free and Open Source software to state and local governments.
This report sanctioned by the European Commission is the result of a study of the feasability of Open Source in Europe.
This report is from a study of the feasability of Open Source Software within the Government of Canada.
The Chief Information Officer Branch contains links regarding the Canadian government's stance on Open Source.
Here is some information regarding NASA's Full Cost initiative, an accounting method which is not biased against Open Source.
The Open Source Observatory provides resources to encourage the use of Open Source software in Europe.
Open Source Law provides quite a few papers on Open Source as well as resources regarding Open Source in Australia.
The Center for Strategic and International Studies has released a paper on Global Policies on Open Source Software.
The Open Government Interoperability Working Group was formed to establish an international standard for Open Source software development in the public sector.