PRIVATE DEVELOPMENT
COMMUNICATION
MESSAGING · VOICE · LOCATION
I develop and test private communication tools for small, closed groups. The focus is on reliable messaging, voice communication, location sharing and straightforward mobile use. Details of these applications are deliberately not made public.
OUTDOOR & TRAVEL
ROUTES & TRACKING
GPS · OFFLINE MAPS · RETURN ROUTES
Applications for recording routes, navigating outdoors and safely retracing the way back while hiking or travelling. Testing covers GPS tracks, offline maps, route imports and practical features for areas with limited mobile coverage.
DIRECTLY IN THE BROWSER
BROWSERSPIE.LI
GAMES · INTERACTION · NO INSTALLATION
Small games and interactive applications that run directly in the browser with no installation. The project is also a practical testing ground for interface design, usability and technical experiments.
OPEN BROWSERSPIE.LI →
CURRENTLY PAUSED
WETTERWELTWEIT.DE
WEATHER DATA · MAPS · LOCAL FORECASTS
A weather project that combines international weather data, maps and location-based forecasts in a clear, accessible format. Active development is currently paused, but the project remains online as a technical and editorial reference.
VIEW PROJECT →
INTERFACES & SYSTEMS
ENERGY & DEVICE INTEGRATIONS
BALCONY SOLAR · DATA FLOWS · CONTROL
Custom displays and control interfaces for balcony solar systems and connected energy equipment bring device status, solar output, energy flows and control options together in a clear interface. Testing includes EcoFlow systems, among others. There is no official affiliation with the manufacturer.