Project references

Products I build myself, plus apps I have built or contributed to for clients. My own products each have a page with background, features and tech stack.

FHIR-Explorer editor showing a FHIR resource form generated from a profile

FHIR-Explorer

FHIR-Explorer is a local-first tool for HL7 FHIR R4 that runs entirely in the browser. It imports FHIR packages with their dependencies, manages projects and datasets, and edits resources with forms generated from the package profiles, validated live.

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GoatDraw on iPad editing a draw.io diagram

GoatDraw

GoatDraw is a native app for iPhone and iPad for diagrams, mind maps and visual plans. It opens draw.io (.drawio) files directly on the device, edits them with touch and Apple Pencil, works offline and saves back to the same file, so the diagram opens again in draw.io on a Mac or PC.

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MyRiskGov

MyRiskGov

A risk management app developed for supervisory bodies and risk managers, providing tools, checklists, and up-to-date information on corporate governance.

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KoCo Quiz

KoCo Quiz

An interactive quiz app designed to help students prepare for the 'Kostenrechnung und Controlling' exam, featuring training and exam modes with a comprehensive question bank.

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