opencpn

Install command: 
brew install --cask opencpn

Name: OpenCPN

Full-featured and concise ChartPlotter/Navigator

https://www.opencpn.org/

Cask JSON API: /api/cask/opencpn.json

Cask code: opencpn.rb on GitHub

Current version: 5.12.2,-universal+14584.efdcaa63f-14

Current version requires: macOS >= 10.11

Analytics:

Installs (30 days)
opencpn 21
Installs (90 days)
opencpn 77
Installs (365 days)
opencpn 351