iPhone app 
Moons
Twelve people, one screen — a quiet way to keep in touch that never reads a single message to work it out.
Three people free. £2.99 opens all twelve, and groups are a second £1.99, or £4.99 for the lot from free.
Projects
Side-projects, packages and other things I have made or am making
iOS apps
iPhone app 
Green Claws
A plant diary that turns photographs of what you already own into an almanac that changes as the year does.
Five plants free. £19.99 a year for unlimited, or £49 for lifetime access.
iPhone app · unreleased 
Code Buddy
Pick a word, tell one friend, and everything you type turns into symbols that only they can read back.
iPhone app 
Time Tutor
Learn the 24-hour clock on a single face — the hours you say and the hours you write, sharing the same hands.
Web Apps
Otter A self-hosted bookmark manager and media tracker built for people who value privacy and ownership. 
Free Fonts A showcase of free web fonts — browse and preview typefaces for inspiration. 
Reps A daily JavaScript coding puzzle. Solve one function a day in your browser. 
Simmer Your recipes, finally at home. NPM Packages
- Lil' Debugger A tiny dev tool for any framework. Add a data-debug attribute to any element, hold Ctrl+Shift, and the page shows what each element holds.
- astro-git-dates Set dates in Astro content collections from git. Write 'git Last Modified' as a date in the frontmatter and the build swaps in the file's last commit date, like Eleventy does.
- shotframe A CLI that turns raw simulator captures into App Store screenshots. A device frame, a heading and a line of copy, at exactly the size the store wants.
- astro-d1-search Site search for Astro, backed by Cloudflare D1 (SQLite FTS5). Build-time indexing, an injected /api/search endpoint, and bm25 + recency ranking.
- React Status Bar A lightweight, portal-based status bar system for React.
- @mrmartineau/strifx Like clsx for strings — conditionally compose any string, not just classNames.
- @mrmartineau/xtractr Reusable page content (as markdown) and metadata extractor, based on Obsidian's Defuddle extractor.
- Zed package starter A small, reusable starter repo for building TypeScript npm packages with its own SKILL.md for AI-powered skill development.
- @mrmartineau/kit A personal collection of utilities, components, and hooks for use across projects.
- url-merge A zero-dependency URL path joiner. Like path.join() but for URLs.
- cloudflare-worker-scraper Page metadata scraper powered by Cloudflare Workers.
- Code Notes (Gatsby Theme) Gatsby theme for your digital garden. Archived.
- Design System Utils A micro framework that standardises your design-system and provides helpful utilities to access its information.
- Kickoff A lightweight, flexible Sass-based front-end framework developed for projects at TMW.
IDE Extensions
Raycast extensions
- Bird A Raycast extension to view your X/Twitter bookmarks and likes using the bird CLI.
- Otter Bookmarks A Raycast extension to view, search and add bookmarks to my Otter bookmarking app.
- Code Notes Search A Raycast extension to search my code notes with Algolia.
- GitHub Stars A Raycast extension to display and filter your recent GitHub stars, with 3.7k+ users on the Raycast store.
- Search npm Packages A Raycast extension to search and favourite npm packages, with 21k+ users on the Raycast store.