OpenCPN is a free software (GPLv2) project to create a concise chart plotter and navigation software, for use underway or as a planning tool.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux

Helm Boating is described as 'Helm is a marine navigation app for United States waters. It combines NOAA electronic navigational charts, USACE eHydro dredging surveys, state lake elevation data and live NOAA CO-OPS tide observations into a single depth figure calculated against the boat's draft, and it' and is a GPS Navigation service in the travel & location category. There are seven alternatives to Helm Boating for a variety of platforms, including iPhone, iPad, Android, SaaS and Raspberry Pi apps. The best Helm Boating alternative is OpenCPN, which is both free and Open Source. Other great apps like Helm Boating are Anchorages: The Cruising Guide, Wavve Boating-Easy Marine GPS, Aqua Map and Navionics Boating.
OpenCPN is a free software (GPLv2) project to create a concise chart plotter and navigation software, for use underway or as a planning tool.

The Anchorages app curate extraordinary anchoring spots from secluded coves to bustling marinas, connecting sailors with the perfect place to drop anchor. Our community-driven platform offers detailed satellite charts, real-time conditions, and insider tips from other sailors.



Ever have a stressful day navigating on the water? Wanted to know more about the conditions you are about to head into? Are you looking for exciting places to explore, the best place to refuel, or just trying to meet up with a friend?







Get up-to-date, detailed charts you can use offline plus a boatload of features on your mobile device, so they’re on hand wherever you go. The Boating app is a must-have for cruising, fishing, sailing, diving and all your activities on the water.




Argo is an easy-to-use navigation and social boating app – FREE to download and FREE to use! Find and route to new destinations anywhere in North America, track your boat trips, see boating friends on the water, get real-time local knowledge from other boaters and more!



Tool kit to be used as navigational aid in small and medium-length boats. It can be installed as a Raspberry OS disk image or by parts on your favourite Debian-based Linux distribution. We offer some Raspberry OS images with the most used applications installed and configured...


