I'd really love to be able to sync MULTIPLE Google Calendars, not just one! I'm using the file-based sync on Unix (iCal and OS X). I would just start multiple instances of GCALDaemon, but since the executable paths are all hard-coded to start with /bin/GCALDaemon, I can't get multiple instances to read different configuration files. So one solution would be to allow multiple file listener blocks, but another would be to allow multiple configuration files (maybe specify non-default config file on command line when you launch standalone-start.sh?), or at least allow it to install somewhere other than /bin with a configuration change. Or all of the above, and leave it up to user preference.