Freshmeat carried an announcement today for ServoMaster v.0.4p1. ServoMaster is a Java program designed to provide a convenient software interface and GUI for interfacing with a variety of serial and USB controller hardware for R/C type servos. The initial release supports the FerretTronics FT639 and the PhidgetServo v3.0. Support for more controllers is planned as development continues. ServoMaster is Free Software released under the GNU LGPL license.