TclTk applications "fdserver" and "fdclient", a complete implementation of a Field Day client/server application written in the TclTk scripting language. Executes on Linux, OS X, and all Windows XP ... Win10. fdserver supports multiple clients residing on a LAN, including a built-in client in the current distribution of fldigi. FDserver.zip - Windows executable for the script fdserver.tcl FDclient.zip - Windows executable for the script fdclient.tcl FD.tar.gz - source for fdserver.tcl and fdclient.tcl