Qsl is a project mainly written in JAVA and JAVASCRIPT, it's free.
QSL cards gallery
Web application for managing a simple gallery of "QSL":http://en.wikipedia.org/wiki/QSL cards. The following technologies are used:
The application is running at "http://qsl.lz2zg.com":http://qsl.lz2zg.com and contains part of my father's (LZ2ZG) QSL cards.