Is the OpenSSO codebase different from that of Access Manager or Federation Manager?
The code base is the same. After the commercial products were released, Sun donated the code and launched the OpenSSO open source project. Since then, Sun engineers and the OpenSSO community have developed the code, in the open, with nightly builds and periodic, stable downloads available to test and use the latest features. A new commercial release of the OpenSSO code will be released later this year.