Everything we've shipped or are building.
12 projects across five disciplines. Mobile apps, web tools, automation pipelines, games, and AI utilities — grouped by discipline below.
Mobile Apps
Offline-first apps across Flutter, Kotlin/Compose, and React Native. Privacy-respecting. No ad bloat.
Mieter App
German tenant-rights companion. 8-city Mietspiegel, Mietpreischeck, Nebenkostenprüfung, PDF export.
Verein App
Offline-first DSGVO-konformer Vereinsmanager: members, fees, events, docs, announcements. Free under 25 active members.
TGA-Assistent
Guided four-Gewerk Auslegungs- und Orientierungstool für SHK-Profis. Heizung, Lüftung, Kälte, Sanitär. 258 Tests, PDF-Export, offline.
Calculator Batch
33 niche calculator apps from one shared Flutter codebase. 250 tests, two-round audited, AdMob + $2.99 Pro IAP wired across the entire fleet.
Web Tools
Self-hosted web applications. Real-time dashboards, on-chain tracers, SEO intelligence.
SEOMAX
Self-hosted SEO intelligence platform. 77 endpoints, DataForSEO-powered, Docker-deployable.
Wallet Risk Scanner
Self-hosted wallet sanctions tracer across six chains. Tether blacklist + OFAC + multi-hop. PDF reports.
Pipelines
Content automation, music generation, ASO research — systems that run themselves.
Music Producing Pipeline
Nine-stage AI music + video + publish pipeline for YouTube. Two genre families, 892 tests, schema-validated artifacts, CLI-first.
Content Engine
Self-hosted marketing-ops platform. 12 platform publishers, GTM + schema + redirects + attribution, MOCK_MODE-first, OAuth tokens Fernet-encrypted at rest.
Games
Board games, card games, and multi-table realtime game platforms. Engine work first, polish next.
Realtime Game Platform
Multi-table realtime card-game platform with reviewer audit, risk-review queue, admin shell, and webhook fan-out. Six months, 22 phases, 617 tests.
Card Games Portfolio
Schafkopf, Doppelkopf, Skat, Hearts, Shithead — five card games on one shared Flutter platform. 878 tests, zero analyzer issues.
HBS Board Games
Three native board games — Chess, Checkers, Backgammon — on one shared HBS style canon. React Native + Expo, TypeScript strict, on-device only.
AI Tools
Bring-your-own-key AI utilities, transcription, and in-house content systems. We pay for our own tokens.