15 Apps for Navigating with your Apple or Android Device - Sail Magazine
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SeaNav – Marine Charts & Nautical Navigation App for Mac OS X – Pocket Mariner
Navionics | Marine Cartography Reference for Boaters
Marine Navigation HD - USA - Lake Depth Maps - Offline Gps Nautical Charts for Fishing, Sailing, Boating, Yachting, Diving & Cruising PC Download Free - Best Windows 10 Apps