Here's a comprehensive list of all the projects I've built over the years. Some are still running, others have been retired, but all were valuable learning experiences.
Online scoreboard and leaderboard app
My main project - used by 10,000+ people daily and highly profitable!
Visit Site →Advanced leaderboard platform for competitions
Branched off from Keep the Score in 2025
Visit Site →Webapp for painless cashing up after group events
Still running, but I sold my stake in the company
Visit Site →Easy sharing of email addresses
Currently just a landing page
Visit Site →Use AI to estimate the cost of something based on a photo
Recently launched
Visit Site →Emoji-based dashboard for kids
Fun project, still online
Visit Site →Live multiplayer maths game
Cool idea, didn't work
Visit Site →CSS/JS tool inspired by XKCD (German)
Static site on GitHub Pages
Visit Site →World's simplest task management tool
Minimalist project still running
Visit Site →Android app for sending mild spoken insults
300,000+ downloads before removal from Play Store
Collection of wallpaper apps for Android
500,000+ downloads before removal from Play Store
Twitter bot guessing company health by tweet activity
Shut down - API costs too high
Twitter bot tweeting seasonal progress
Shut down due to Twitter API changes
View Archive →Free GPS tracking / location sharing app for Android
Nobody cared