All projects
Websites, platforms, games and tools — everything I have built and run in over 20 years.
Käsekästchen
The colourful multiplayer dots & boxes game — play against players worldwide!
Tarif-Finder
Compare insurance & tariffs for free — car, health, energy, loans & more.
Lohnabrechnung
Track gross & net income month by month — always keep an eye on your earnings.
Unendliche Geschichte
A story without end — write together with others on a never-ending story. Leaderboard, stats, free.
BewerbungsPilot
Upload your CV, name your dream job — find matching vacancies and get a tailored CV and cover letter for every ad.
TechDeals24
61,000+ MediaMarkt deals updated daily — TVs, smartphones, laptops, gaming and more.
Trockenheld
The web app for your alcohol-free challenge. Check in daily, collect streaks, celebrate milestones.
Weltenentdecker
Explore the real world, collect digital stamps and climb the leaderboard.
Spielearena
Chess, checkers, poker, Mau-Mau and more — in real time against real opponents, with chat, stats and leaderboard.