youtube.com
OpenSeaMap tool tutorial
20 Apr 2020
2.6K views
03 Signing up at OpenStreetMap - OpenSeaMap Tutorial
2 Jul 2016
4K views
How to install MetaMask and connect to Opensea (Beginner Walk-through)
26 Feb 2021
196.9K views
Software project
openseamap.org
OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart. Wikipedia