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openwatersio repositories

An experiment in building modern marine charts. Currently alpha and not to be use for navigation.

Last commit Jun 4, 2026

 (7 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Collect and share depth data from your marine vessel with crowd-sourced bathymetry programs.

Last commit Jan 26, 2026

 (5 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Tools to produce vector tiles from Electronic Navigational Charts

Last commit Nov 7, 2025

 (7 stars) (3 forks) (0 indexed issues) (0 open good first issues)

Open Source Electronic Navigation Chart Server

Last commit Apr 16, 2026

 (0 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Seamap rendering based on open-data and MapLibre

Last commit Dec 27, 2025

 (0 stars) (0 forks) (0 indexed issues) (0 open good first issues)

A SignalK plugin that provides tidal predictions for the vessel's position from various online sources.

Last commit Jun 6, 2026

 (1 star) (8 forks) (0 indexed issues) (0 open good first issues)