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Apps

TetraTrack

Unified coaching intelligence for multi-discipline athletes

TableTogether

Weekly meal planning for families

LiveRail

Real-time UK train departures

FuelRoute

Apple CarPlay fuel price comparison powered by UK government data

SeeFood by Aviato

Hotdog or Not Hotdog — Silicon Valley parody made real

ClearRound

Computer vision analysis of showjumping videos

Equestrian Venue Manager

Arena booking & livery management

EquiCalendar

Equestrian competition tracker

Planespotter

Live aircraft tracking dashboard

Wood Wide Web

3D mycorrhizal network visualisation

Chatsworth

Interactive 500-year history of Chatsworth House

Sheffield Football

Interactive history of football in Sheffield

VCF Green Insight

Embodied carbon of going software-defined

Local Expert

RAG-powered local knowledge assistant

Ancestor Research

AI agent for family tree research

Software Defined Documentation

Architecture as code, docs that deploy

Home Assistant

aiooctopusenergy

Async client for Octopus Energy API

aiosolax

Async client for Solax inverter API

aioukcarbon

Async client for UK Carbon Intensity API

aiovictron

Async client for Victron energy systems

Octopus Energy

Home Assistant integration

Solax

Home Assistant integration

UK Carbon Intensity

Home Assistant integration

Victron Modbus

Home Assistant integration

Energy Correlation Card

Lovelace card for generation vs consumption

Energy Dashboards

Lovelace dashboards for energy monitoring

Operations

GreenScope

Software carbon intensity scoring

FinOps

Cost allocation & cloud comparison

Observability

Grafana dashboards & metrics

Books

The Harness Handbook

Architecture of AI agent systems — the harness around the model

Darryl

Blog

Cloud, Kubernetes & DevOps writing

Presentations

Conference talks & slide decks

CV

Experience & qualifications

Bio

About me

GitHub

Open source projects & contributions

LinkedIn

Professional profile & network