This application is to help boat owners better understand their electical power management, including solar, batteries and appliances.

This tool lets you trace the outline of an image of your rudder. Once traced a 3D printed model can be created.

Go to "Library" to load an example.

Contact me if you are interested

This app will help you select the correct wire guage for your project.

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This app will help you manage your time in the Schengen zone.​

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This is your coach for learning how to solve cryptic crosswords. It can also help you solve any clues you are stuck on.

This is very much a work in progress, I am refining the solver logic to behave more like an expert cryptic solver.

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This app will help you understand how far you can travel with the remaining fuel you have in your tanks.