LCDProc-Ruby is an application programming interface (API) to the LCDProc lcd server. You can create a client, add a screen to that client, and then add widgets to that screen. Multiple clients, widgets, and screens are supported.
siljac is a "Simple LCDproc Java Client" for LCDproc. Provides a basic implementation of the LCDproc protocol and the displayable data is extensible through plugins.