Tools and projects I have built, from work, studies and spare time.
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A Chrome extension that fills gaps in the system we use to follow up participants – documents that look right on paper, tasks that don't slip, and results reports we can check.
TypeScript · React · WXT · Vite
A platform for following up participants in work preparation programmes (AFT) – a counsellor app, a separate participant app, and operations with security and privacy built in.
TypeScript · React · Vite · TanStack Router
Changing systems for around 150 employees and 60 AFT participants. I extracted, cleaned and moved what the vendor's conversion missed, and converted every document template.
Python · pandas · CSV · JavaScript
A self-hosted service for end-to-end encrypted file transfer, rewritten from scratch after a serverless prototype – with accounts, key recovery and permanent links.
TypeScript · React · Vite · Tailwind CSS
A self-hosted MCP aggregator giving AI assistants one signed-in endpoint to my own tools, with OAuth 2.1/PKCE and per-user access control. Plus reusable MCP servers.
Python · FastAPI · MCP SDK · SQLite
A home-automation hobby turned into a tidy open-source integration – a Home Assistant custom component for the Homely alarm with push updates and a fallback, plus unofficial API documentation.
Python · Home Assistant · Socket.IO · pydantic
An interactive årshjul (annual wheel) planner – activities and milestones are dragged and resized directly on a radial timeline. React, SVG, a pure geometry module and a small Express/SQLite API.
React 19 · TypeScript · Vite · Zustand