I've used ShipPlotter feeding it with my SR-161 AIS and it worked well.
Another neat thing about ShiPlotter is you can receive via the internet
AIS data from other people who are using ShipPlotter and shaing their data. Thus you don't even need an AIS unit. This allows you to look at AIS targets all over the world. If you bring up a chart of the English Channel
you'll see why AIS is so popular over there.