A receiver for Navtex maritime navigational and meteo warnings.

I built a macOS menu bar app for Git sync. The code was the easy part.

Migrating a sailing blog with AI — and building a geo-referenced sea chart along the way.

SailorsLog, the logbook app for iOS, is on track to implement webpublishing in version 2.

Plot the sky tonight for astronavigation. There are about a dozen stars that are used for celestial navigation. The chart shows which of the principal stars are above the horizon at your chosen time and position.

Music Transfer is a standalone macOS app window with retro CRT terminal aesthetics. It transfers music mp3/aac or flac/alac files from Mac to an Android phone via USB or Wi-Fi. Or any other file.

A tool for practicing sun sights with a sextant — sight reduction runs entirely client-side. Intercept computes the calculated altitude and azimuth using spherical trigonometry.

2D nautical simulation game. Skipper a sailing yacht across the North Sea Traffic Separation Schemes at night.

A minimalistic plain text editor for macOS with a strict no-extras policy: no syntax highlighting, no AI, no autosave. A .txt file written fifty years ago opens today, without conversion, without a subscription, without the original software.

Ever lost hours of work because you saved over the wrong file? Or wished you could go back to how your document looked last Tuesday? Pier gives you that power — without any technical setup.