Conversational card game with 2,400+ questions for meaningful discussions. Real-time multiplayer with WebSocket. Multi-language support across relationship contexts — couples, friends, family, teams.

Shamir Secret Sharing made usable. Split secrets into M-of-N shares with QR codes, scan to reconstruct. Fully client-side, zero network requests after load, vendored and audited crypto.

Desktop application for DJs to manage music collections across vinyl, CDs, and MP3s. Visualize and plan track transitions. Open source, GPLv2.

Shelter management system for Tierheim Bielefeld. Full-stack Django application managing animal intake, foster care, and adoption workflows. 11+ years in production serving daily shelter operations. ~24K contracts, ~11K persons. Sole developer and operator.