Projects
Current projects
Kentekencheck.nl
In developmentNew frontend for Kentekencheck.nl in Next.js, following the new design by their in-house team.
Next.js
React
TypeScript
Tailwind CSS
De Merkstudio
CollaborationDevelopment work in PHP for design agency De Merkstudio in Groningen, since 2026.
PHP
Git
Paperblue
CollaborationOdd jobs for web agency Paperblue in Groningen: putting sites live, moving mailboxes, sorting out hosting and the occasional script.
WordPress- PHP
Linux
App on a kiosk at the entrance of Fysio Gilde in Groningen: patients check in for their appointment and register their licence plate for parking.
Angular- TypeScript
iOS-development
Penal
CollaborationFootball pool app for ten competitions, from the Eredivisie to the Champions League, with live scores and pools for friends, family or the office.
- React Native
- TypeScript
Node.js
Socket.io
MariaDB
Express.js
Docker
Since 2018 I have been the sole developer of the apps, chat server, dashboards and CMS at Cinnux, for EAP providers and confidential advisors.
- Angular
- TypeScript
- React
- Next.js
- Socket.io
- MariaDB
Websites for six businesses in and around Groningen, since 2014. On one Eleventy and Express platform since late 2025.
JavaScript- Node.js
- Express.js
- PHP
- Docker
Printerials
Own projectCatalog of filament, resin and 3D printers with specifications per product line and daily prices from the shops that sell them.
- Next.js
- React
- TypeScript
- Tailwind CSS
- Node.js
- MariaDB
- Docker
Puzzle Moment
Own projectDaily puzzles for e-readers with an e-ink screen: forty-one puzzle and game types, with no account or ads.
- React Native
- TypeScript
- Node.js
- Express.js
- MariaDB
RitVandaag
Own projectHourly ride score for road cyclists and mountain bikers: best departure window, wind advice and rain forecast for every town in the Netherlands.
- React
- TypeScript
- Tailwind CSS
PocketBase- Docker
TuinSnap
Own projectPlant identification and care schedules for the Netherlands and Flanders.
- React Native
- TypeScript
- Next.js
- Node.js
- Express.js
- MariaDB
- Socket.io
- Docker
Choice Spinner
Own projectApp that makes the choice for you with a spinning wheel.
- Angular
- TypeScript
- iOS-development
Android-development
Office Spinner
Own projectTool for organizing coffee rounds at the office, as a Chrome extension, desktop app and web version. Running since 2015.
- Angular
- TypeScript
- Node.js
- Socket.io
Chrome Extensions- MariaDB
Previous projects
From 2019 to 2026 I worked on the news apps of Dagblad van het Noorden, Leeuwarder Courant and nine other titles in the north of the Netherlands.
- React Native
- TypeScript
- Angular
- Git
SASS- iOS-development
- Android-development
Launch site for the novel Gelukscode by Anne von Gleich, with orders and its own admin area. Built in Next.js with Three.js.
- Next.js
- React
- TypeScript
- Tailwind CSS
Three.js- Node.js
- PocketBase
- Docker
Prototype for testing the Ivy Duo+ interface with healthcare providers and patients, as a web version and as an iPad app.
- TypeScript
- Angular
- iOS-development
- Git
Journaling app for logging your mood each day and keeping logs with photo, audio and video. Built in 2020 and 2021 with Ionic and Angular.
- Angular
- TypeScript
- iOS-development
- Android-development
- Git
In 2018 I spent six months on the open source wallet of Bitcoin.com, for desktop and mobile.
- Angular
- JavaScript
- SASS
- Git
GitHub
Open source contributions
Own open source projects
BackaDB
Open SourceDocker container that runs automated backups of MySQL and MariaDB databases, with upload to S3, Google Drive or NextCloud.
- Docker
- TypeScript
- JavaScript
- MySQL
- Git
- GitHub
Tabbed Card Programmable
Open SourceHome Assistant card with templates, so the contents of a tab can change with the state of your house.
Home Assistant- TypeScript
- JavaScript
- Git
- GitHub
Text-to-speech plugin for Cordova. No longer maintained.
- JavaScript
- iOS-development
- Android-development
- Git
- GitHub
Contributions to existing projects
Penpot Dutch Translations
TranslationContributions to the Dutch translation of the design tool Penpot.
- Git
- GitHub
CapRover Dutch Translations
TranslationDutch translation of the CapRover interface.
- Git
- GitHub
Open Source Contributions
ContributionBugfixes, small additions and translations in other people's open source projects, from React Native plugins to Home Assistant.
- React Native
- JavaScript
- TypeScript
- Git
- GitHub