All projects
Websites, platforms, games and tools — everything I have built and run in over 20 years.
PanzerIT Territoriumskrieg
Fight for territories on the hex map — right in the browser, no download.
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.
Digitales Haustier
Wähle ein Tier, füttere, spiele und kümmere dich. Gewinne sein Herz, finde Freunde und lass eure Tiere miteinander spielen – oder streiten.