The Open Marine Data Platform

Signal K is a data standard, a local hub, and an ecosystem of plugins & web apps for collecting and sharing boat data.

Platform

A modern, open platform for marine data exchange

An Open Data Standard

Signal K is data format for marine use built on standard web technologies, suitable for WiFi, mobile devices, and the internet.

Read the Signal K specification

A Local Server

Signal K Server creates a central hub for a boat, connecting all onboard devices and systems over NMEA, WiFi, and other marine protocols.

Install the Signal K Server

An Ecosystem

Extend the functionality of Signal K Server with hundreds of plugins and web apps from the growing community of developers.

Explore the Signal K ecosystem

The latest from the Signal K community

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Steering My River Boat with an Apple Watch and Signal K

Steering My River Boat with an Apple Watch and Signal K

A turn of the Digital Crown changes my boat’s course. Here is why I use it, how Signal K makes it possible, and what you need to try it on your own boat.

SignalK Remote Alerting with Pushover and a Local Beeper

SignalK Remote Alerting with Pushover and a Local Beeper

An example of using Pushover for signalK remote notifications across Android and IOS devices; and an inexpensive beeper locally that will ensure it wakes you in the middle of the night.

Introducing SignalK MCP Server: AI-Powered Marine Data Access

Introducing SignalK MCP Server: AI-Powered Marine Data Access

SignalK Monitoring of Starlink

SignalK Monitoring of Starlink

Monitoring of Starlink using a custom DC-DC boost (57VDC) power supply with SignalK, Starlink plugin & sensESP.

Sponsors

Thank you to the generous financial supporters that sustain our community.

Expenses for running the Signal K community are offset by donations from individuals and companies.

Become a contributor