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1. lookout-marine lookout-marine Public

   ⚓ A native chartplotter app for Mac, iPad, iPhone, and Android — real S-52 electronic nautical charts (NOAA ENC / S-57) rendered directly with Metal, Vulkan, or SDL3 at 60 fps. Not for navigation.

   Zig

2. tile57 tile57 Public

   ⚓ A high-performance, low-memory S-57/S-101 chart engine: vector tiles, S-101 styles, PNG, PDF, and C API.

   Zig 1

3. chartplotter chartplotter Public

   ⚓ Marine chart plotter in Go — bakes NOAA S-57 or S-101 ENCs into S-101-portrayed vector tiles and serves them offline from your laptop or a Pi on the boat.

   JavaScript 2

4. lookout-remarkable lookout-remarkable Public

   ⚓ A monochrome, e-ink-first nautical chart viewer for the reMarkable tablet.

   C++

5. tile57-opencpn-plugin tile57-opencpn-plugin Public

   ⚓ OpenCPN plugin to render charts using tile57.

   C++

6. tekmetric-mcp tekmetric-mcp Public archive

   Ask questions about your Tekmetric shop data using natural language. Get instant answers about customers, vehicles, repair orders, appointments, and more - directly in Claude.

   Go 6 3