Work
Everything, by where it stands
In testing is work other people are using now. Building is work nobody else can use yet. Tooling is this site and the record behind all of it.
In testing
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photos.madcowsailing.com
A sailing club's regatta and practice photos, sent from parents' and coaches' phones and public only once approved.
Read the case study · photos.madcowsailing.com · Source on GitHub
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Taskr
Splits a household's chores by the time each person has. Rebuilt from a 2020 classroom project.
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Race Timer
A standalone Wear OS race timer that sounds a start sequence within a measured bound of the mark, with the screen off and no phone aboard.
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Tender
Pairs skippers who are short of crew with people who want to race, on a race-day board that stays true without anyone curating it. One club to start.
Read the case study · Get it · tender.madcowsailing.com · Source on GitHub
Building
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Burgee
Yacht-club and regatta management for sailing only: entries, scoring, protests, and the committee-boat half that the desk-bound tools leave out.
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Buoyant
Bluetooth control for GPS station-keeping robotic race marks, so a race officer sets and moves a course from the committee boat.
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PRO companion
A race-day app for the principal race officer, usable on its own or alongside Burgee.
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Coaches' Dockbox
Attendance, emergency contacts, schedules and a coaching library for a sailing club's coaches, piloting with one junior team in spring 2027.
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Maverick
A self-hosted smart-home hub: one process speaking MQTT to Zigbee and Z-Wave, one device model, automations written as code.
Tooling
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madcowsailing.com
This site and its sailing sibling: two static sites from one repository, one set of design tokens, no framework and a one-line build step.
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Cairn
The guardrails and the record behind everything above: what AI coding agents may do unreviewed, the hooks that refuse the rest, and every mistake kept with its correction.