Source Forge Access
All the source code for BlogBridge Desktop (the Java based blogging aggregator) is licensed under the GPL and is available on SourceForge.net. SourceForge is one of several public servers where Open Source Projects can host their source code.
The project on SourceForge is called BlogBridge (duh) and you can reach it at this url.
If you would like to peruse the source code, click here
You can also access the source code with CVS.