My Software Products
I build each of these products myself – from initial concept and UI design to the final line of code. Every product is born from a real need and crafted with attention to detail.
Lebenssignal
An app that automatically notifies your contacts if you don't check in for a while. Ideal for people who live alone, travel, or simply want to stay safe.
- Automatic notifications to emergency contacts
- Flexible check-in intervals
- Privacy-focused by design
Librisync
An app for organizing your books digitally. Catalog quickly, find titles easily, and keep your library clear.
- Quickly catalog and organize books
- Clear library with search functionality
- Minimalist, clean design
Mietfolio
A clear SaaS app for private landlords. Utility costs, documents, tenant portal, smoke detectors, messages, and deadlines come together in one system.
- Utility billing with AI import and PDF export
- Tenant portal with access and document sharing
- Deadline management and smoke detector logging
Tavena
An app for shared expenses. Groups, couples, and friends keep track of shared costs – clear, transparent, and stress-free.
- Record group expenses and split automatically
- Transparent balances and settlement suggestions
- Privacy-friendly without ad tracking
FreizeitOptimierer
A web app that calculates the optimal vacation distribution from public holidays, school vacations, and weekends – for all 16 German states.
- Leverage bridge days and maximize consecutive time off
- All 16 federal states with up-to-date holidays & school breaks
- Direct .ics calendar export without registration
More products are in development.