Boat Design Software

Ship Design

http://www.boatdesign.net/Directory/Software/Free_or_Low_Cost/

http://www.delftship.net/DELFTship/

http://maxsurf.net/

http://www.boatarchitect.com/welcome.html

http://www.simplicityboats.com/hulldesigner.html

https://www.boatdesign.net/forums/design-software/

http://www.defcar.com/index_ing.htm

3D Design

https://3dwarehouse.sketchup.com/user.html?id=83e37535-4630-44e0-a15c-9f6e16791b52&nav=models

http://antidiary.com/video/page/solidworks-simulation-how-to-simulate-a-fluid-container

https://all3dp.com/1/best-free-3d-modeling-software-3d-cad-3d-design-software/

Engineering

http://www.pile.com/products/grlweap/

http://www.lateraltechnology.com.au/marine/

http://www.pile.com/products/capwap/

Standards

https://theappstore.org/?search=abs-bookshelf-app&platform=software