Develop an add-on to Moodle such that students can maintain on personal computers (running any of MS Windows, Mac OS or Linux Ubuntu operating systems) local databases of Moodle discussion forums (ie....

Develop an add-on to Moodle such that students can maintain on personal computers (running any of MS Windows, Mac OS or Linux Ubuntu operating systems) local databases of Moodle discussion forums (ie. a local database is always updatable and synced with a centralised database when an InternetAusEd Inc is a not-for-profit private education organisation.  It provides online education in Information Technology and Business to students anywhere in the world.  The majority of their students are from outback areas of Australia, Papua New Guinea and the South Pacific Islands