JavaScript - Kouider

HabitOrbit — Offline-First Habit Tracker

I built HabitOrbit, an offline-first habit tracker and streak app, and it lives at habit-loop.kouider.de. This post covers why I built it, how it handles storage and sync, and what makes it different from the usual habit apps. Why I built it Before HabitOrbit I tracked my habits with Loop Habit Tracker, the open-source app…

JavaScript, Laravel, MySQL, Web Apps

AI Chat Extension

Open source browser extension (Manifest V3) for Chrome and Firefox — an AI chat assistant in the toolbar backed by the DeepSeek API.

Belissima Agentur

Multilingual agency website for Belissima — responsive custom WordPress theme with a strong visual identity and clean service presentation.

JavaScript, PHP, Web Apps, WordPress

VBZentrum

Full corporate website for VBZentrum — a clean, conversion-focused build with a custom WordPress theme, PHP backend work, and light JavaScript interactions. Deployed and managed on Linux with Nginx + SSL.