Tools, prototypes and experiments

Fun Projects

Building to discover

Small projects, concrete ideas

This collection shows how a practical problem can grow into a useful tool. Some projects are live, while others are still being actively explored and improved.

BeurtKlok with four colourful play areas and a central settings button Live

BeurtKlok

A flexible turn and play timer for board games and group activities.

  • HTML
  • CSS
  • JavaScript
View project
Target Trainer login screen in a dark interface In development

Target Trainer

A web application for recording, analysing and improving shooting series.

  • PHP
  • MySQL
  • JavaScript
View project
Diagram showing a Mermaid diagram being converted into Visio shapes In development

Mermaid2Visio

A tool that converts Mermaid diagrams into editable Microsoft Visio diagrams.

  • Go
  • Mermaid
  • SVG
  • VSDX
Not publicly available yet
Detective Notes start screen for Cluedo Live

Detective Notes

A digital note-taking and checklist tool for Cluedo, supporting different game editions, players and note views.

  • HTML
  • CSS
  • JavaScript
View project
Piano Trainer with a digital keyboard and practice settings Live

Piano Trainer

A browser-based piano practice tool with MIDI support, falling notes, adjustable tempo and immediate feedback on played notes.

  • HTML
  • CSS
  • JavaScript
  • Web MIDI
View project