PostgSail

Automatically logs sailing trips, moorages, and anchorages from boat telemetry

Servicefreeglobal

PostgSail is a free, open-source backend that automatically logs sailing trips, moorages, dockings, and anchorages from a boat's SignalK telemetry, with no manual start/stop needed. It's aimed at sailors and boat owners who want an automatic, self-hosted sailing log built on standard marine telemetry data instead of manually tracking trips.

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Behind the summary, Matchbox keeps a richer profile of PostgSail - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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