BOINC is open-source software. If you are an experienced C++ system programmer you may be able to help us maintain and enhance BOINC. In any case, you are welcome to browse the source code and give us feedback.
Visit http://sf.net/projects/boinc to download the source code and to view the list of outstanding bugs and feature requests.
Before sure that you understand exactly how BOINC is intended to work (for both participants and developers) before getting into the source code.