Tools to produce vector tiles from Electronic Navigational Charts

TypeScript parser for S-57 and S-101 marine nautical charts with S-52 symbology rendering

⚓ 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.

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

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

⚓ OpenCPN plugin to render charts using tile57.

⚓ A native chartplotter app for Mac, iPad, iPhone, Linux, 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.