< hello world />

Coding4Fun

Building apps, tools and maps for the sheer joy of it. Every project here started with curiosity and ended with something fun to use.

github.com/Martenz

About me

🔭Currently working on GIS projects
🌱Learning more about GIS technologies
👯Interested in collaborating on GIS projects — especially VectorTiles and COG related work
🤔Looking for help with LIFE
💬Ask me about PARAGLIDING!
📫How to reach me: here
⚡Fun fact: I graduated as an environmental engineer… but let's keep that a secret!

Current projects

Flutter · Mobile

SwimST

A swimming session builder and trainer app. Design workouts, track live training sessions and follow group repetitions in real time.

Flutter SQLite Android

Open app

Flutter · GIS · Web

Surroundings

A smart local guide that helps you discover nearby points of interest with interactive maps, Wikipedia-powered discovery and real-time GPS tracking.

MapLibre GL VectorTiles Flutter Web

Open app

Android · Google Play

HFSST

Published on the Google Play Store. A tool crafted for specific field use — available for Android devices worldwide.

Android Play Store

View on Play Store

Static HTML · OTENZ.it

O'IMPASTO

An elegant, responsive web utility designed for modern bakers to scale and balance pizza and focaccia dough recipes using strong W350 flour. It features real-time ingredient weight calculations, pan/tray yield adjustments, and precise technical guidelines for optimal cold fermentation and baking.

HTML - CSS - JS otenz.it

Open