Software · Utilities & files

GWeatherRouting

Open-source sailing routing and navigation software.

Completely free
Linux
Open source

At a glance

GWeatherRouting is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

GWeatherRouting enables sailors to plan optimal routes using GRIB weather files, boat polar diagrams, and isochrone calculations. Track creation, editing, and export features support safe and efficient navigation planning for coastal and offshore passages. **Features:** Multi-point sailing weather routing Boat / polar integrated database Grib1 and Grib2 support, with downloader for OpenSkiron and NOAA GFS GPX support for importing and exporting POIs and tracks Session manager for storing POIs, tracks and routings Chart rendering for GeoJSON, GSHHS basemap, KAP, GeoTiff charts and other raster formats supported by GDAL, OpenSeaMap seamarks rendering and CM93 binary format Gtk4 interface NMEA instruments support NMEA / GPX log analysys

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 10 November 2026
Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Last technical check: 8 November 2026
Description from Flathub — AppStream (Flathub)

How listings are built →

Do you develop GWeatherRouting?

Correct this listing with the report form, or cite it with this optional badge (it shows the verified free status and changes nothing in the ranking):

<a href="https://licitpro.fr/en/resource/gweatherrouting"><img src="https://licitpro.fr/badge/gweatherrouting.svg?l=en" alt="Listed on LicitPro" height="20"></a>

Developers and publishers →