Projects
A selection of open-source applications and tools I develop to solve practical problems in band management, IoT monitoring, and software-assisted workflows.
libreStage
Full-Stack Band & Ensemble Management Platform (Web & iOS)

An open-source platform designed to streamline band administration, rehearsal scheduling, setlist management, and gig coordination for musicians and ensembles.
- Cross-Platform Access: Responsive web interface alongside a native iOS companion app for quick access during rehearsals and live performances.
- Musician-First Features: Centralized setlist organization, member attendance tracking, event logistics, and sheet/chord management.
- Architecture & Workflow: Built with clean architectural patterns and modern web technologies, developed with AI assistance (GitHub Copilot).
- Documentation: https://calphiko.github.io/libre-stage/
Wassermonitor2
Web-Based Tank & Storage Level Monitoring Dashboard

A telemetry and dashboard application built for monitoring tank levels and operational metrics in a drinking water supply system.
- Real-Time Overview: Immediate visibility into current water levels, operational history, and usage trends.
- Telemetry & Logging: Reliable collection and storage of measurement data for operational tracking and anomaly detection.
- Self-Hosted Deployment: Lightweight architecture designed for straightforward deployment on local Linux hardware or cloud environments.
- Documentation: https://doc.wassermonitor.de