cGPSmapper is a command line program which allow to convert vector maps in file s of a format understandable by your Garmin GPS receiver and Garmin?MapSource.
cGPSmapper personal with MARINE support is able to produce several kinds of maps - marine maps - which works only with BlueChart capable Garmin GPS devices - routable maps without limitations - which allow to select fastest/shortest route on GPS with routing support - and also normal maps - which works with all Garmin mapping devices.
cGPSmapper Personal version comes without support - however if you have any problems or remarks - feel free to contact with me at cgpsmapper@gmail.com