Free boat & ship plans boats, ships & anything that floats. this section is dedicated to free boat plans. each plan is available as a zipped file and will either. 25′ tug boat plans. chrome lovers and speedsters, steer clear of this jaunty craft. but if you’re after a good, honest boat with character—welcome aboard.. This category is somewhat arbitrary, like many in our catalog. many of the inboard designs have outboard options and there are designs in the cruiser and work boat.