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Projects

Software I've built for myself, and the companies, communities and experiments I've made along the way.

Personal software

Tools I've built for my own life and work, mostly with Claude Code and Codex. Why I think you should be building your own.

In use

Platter screenshot

Platter

All my local projects in one Mac app, with previews and logins.

plattermac.comStarted Aug 2026

Monies screenshot

Monies

Models our household money, with what-if scenarios side by side.

Read the essayStarted Mar 2026

DaySight screenshot

DaySight

Tracks sunrise, sunset and the daylight gained since the shortest day.

daysight.appStarted Dec 2025

Saol screenshot

Saol

A personal OS on an 80-year horizon, for the things I want to do in life.

Started Sep 2026

Longa screenshot

Longa

My WHOOP and smart scale data in one place, for my own experiments.

Started Jun 2026

Skillamanjaro screenshot

Skillamanjaro

A Mac app for browsing and editing the skills I've built for my agents.

Started Aug 2026

Momos screenshot

Momos

How I manage managers: scorecards, hiring and the org chart.

Started Jul 2025

Rideable screenshot

Rideable

Tells me if it's good enough to cycle my commute, and what to wear.

rideable.vercel.appStarted Mar 2026

Binned

Tools I built, used for a while and binned. More on why that's fine.

Onesie screenshot

Onesie

A Mac command centre for jumping between my side projects.

Binned: It taught me what Platter needed to be.

Companies & side projects

Companies I've co-founded, and side projects I've made for other people, including an open source project and a community. Some are still running, some did their job and retired.

Live

Retired or sold

Lowdown screenshot

Lowdown

An email digest of the most popular posts in a Slack community.

RetiredProduct

AirCare screenshot

AirCare

Offset the carbon from your flights, straight from the booking emails.

RetiredProduct

Rumble Labs screenshot

Rumble Labs

The Belfast app agency I co-founded and ran from 2009 to 2015.

RetiredCompany

Onotate screenshot

Onotate

Comments pinned onto designs, like Figma, but back in 2010.

RetiredProduct