Free Download EIVA NaviPac 4.6.6 | 1.19 GB
NaviPac provides positioning and navigation features for surface and/or subsea vehicles.

Scroll down to check out an overview comparing what you get with the different variants. With NaviPac Pro, you get the most elaborate variant of the four and can thus benefit from the entire range of features offered by NaviPac for surveys carried out with multi-beam echo sounders, side-scan sonars and/or lasers.
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https://www.eiva.com/products/navisuite/navisuite-acquisition-software/navipac-pro