Desktop App to Web App One Way Sync

We need a custom program that: -extracts from a database from a desktop application (installed in a Windows 7 environment). -uploads the information into a web application. (php/mysql) -One way sync The initial phase of the program will be to extract CUSTOMER information from the desktop application and upload it to a contact/mail/newsletter application. One way SYNC so the information in the desktop application gets updated on the web application periodically (Once a week or ONce a Month). We don't want ANY changes into the DB of the desktop application. For details on the desktop application and its DB: [login to view URL] For details on the web application, we are still evaluating solutions but most likelly is going to be either: MailChimp ([login to view URL]) or a joomla newsletter component such as AcyMailing or Acajoom. we might consider something like ConstacContact too.