Case studies

Products I've designed, built and shipped myself in React, Next.js and TypeScript — plus Tauri, React Native and AI agent systems — from early experiments to things people use every day. Each one covers the problem, what got built and the decisions behind it.

Case studies 8

wobbli.es

Always-on AI agents that watch GitHub, Slack, Linear and other tools, then act on events and schedules without being prompted.

Good Eggs

One multi-tenant platform that gives a small charity its public website, a casework CRM, volunteer rotas and funder reporting.

Chikamichi

A desktop app that lets non-technical teammates edit Markdown in GitHub repos like a document and commit without touching Git.

Art Mutt

A daily art app that picks one contemporary artwork each day and adds AI-written commentary on technique, context and what to notice.

feedback.monster

A personal link for collecting anonymous feedback, with an optional AI filter that softens or sharpens the tone of each message.

practically.dev

A learning platform that explains AI and engineering concepts in plain English to product managers, founders and other non-engineers.

loveyourepo

Connects to GitHub, GitLab and Bitbucket, tracks each repository’s dependencies over time and flags outdated packages so teams can ticket them.

danny.engineering

My engineering notebook: articles, short answers, free CSS and front-end tools, case studies, and an AI engineering course in progress.