Projects

Arduino Playground

A documented collection of Arduino boards, electronic components and small sketches, with experiments in displays, sensing, wireless interaction and payload collection.

• Arduino
• Arduino CLI
• C++

ArtArt — Global Open Creative Lab

An experimental art laboratory that turns open museum collections into color, sound, mosaics and playful ways to explore visual culture.

• IIIF
• Open data
• React

Botanica

An illustrated greenhouse game where deterministic plant artwork, simplified genetics, breeding and collection management support gradual progression.

• Docker Compose
• Nginx
• PostgreSQL

BoxedMan

An interactive projection installation where physical shadows become a changing 2D world for an autonomous red character.

• OpenCV
• Pygame-ce
• PyInstaller

built-how — Website Technology Inspector

A browser extension and self-hosted hub for discovering website technologies and collecting technology profiles in one searchable workspace.

• Chrome Extensions
• Fastify
• Node.js

ButterUp

A fullscreen player for a published music catalog, pairing playback with original audio-reactive Butterchurn visuals and a preset-authoring toolkit.

• Butterchurn
• Docker Compose
• Model Context Protocol

C64 Ingest

A provenance-aware ingestion pipeline that turns configured Commodore 64 BASIC sources into readable listings, executable programs and an organized catalog.

• Commodore BASIC V2
• Docker Compose
• Git

C64 Program Collection

Forty-one self-contained Commodore 64 programs spanning games, creative tools, simulations and audiovisual experiments, with readable BASIC and assembly sources.

• 6502 assembly
• Commodore BASIC V2
• Docker Compose

CaTML — Cat Altered Text Markup Language

A playful, dependency-free JavaScript compiler that translates a feline-flavored markup vocabulary into ordinary semantic HTML.

• DOM
• HTML
• JavaScript

CleverCam

A reserved project entry whose repository currently contains no implementation or public technical specification.

Comic Sansify

A playful Chrome extension that gives websites a Comic Sans makeover while preserving code, mathematical content and icon fonts.

• Chrome Extensions
• CSS
• DOM

Commodore 64 Playground

A browser-based Commodore 64 emulator and BASIC workspace combining live editing, local program storage and a cartridge library.

• Express
• IndexedDB
• Monaco Editor

deTrump

A satirical Chrome extension that rewrites selected political references in the local page view, with English and Danish replacement rules.

• Chrome Extensions
• DOM
• JavaScript

DevTech

A visual technology atlas that organizes modern web-app building blocks by use case, strengths, limitations and licensing information.

• Docker Compose
• Express
• JavaScript

dotMD

An extensible desktop Markdown editor combining source editing, live preview, workspace navigation and explicit handling of unfamiliar syntax.

• CodeMirror 6
• Electron
• Mermaid

El Puro

A fictional, mobile-oriented idle game that presents resource management and incremental progression through a stylized burner-phone interface.

• Docker Compose
• FastAPI
• JavaScript

FakeShop?

An experimental website-inspection tool that combines rendered-page analysis with Danish business-information signals and an explainable checklist.

• BeautifulSoup
• FastAPI
• Playwright

FixIt

A browser-based workspace for preparing images, video and audio with local processing.

• FFmpeg WebAssembly
• PWA
• Web Audio API

FontArchive

A self-hosted font library that combines interactive type testing, metadata-driven ingestion and explicit control over visibility and downloads.

• Fastify
• fontkit
• fontTools

gitView

A Markdown repository overview and PowerShell refresh tool for keeping a broad collection of software projects understandable.

• Forgejo API
• Git
• Markdown

helloDev — Project F12

A fictional retro-terminal experience that uses the browser's developer console as the interface to a virtual filesystem and interactive story.

• CSS
• Docker Compose
• DOM

Home Assistant TV for Samsung Tizen

A remote-friendly Home Assistant client designed for Samsung televisions, with favorites, live device updates and a focused large-screen interface.

• Home Assistant
• Node.js
• Tizen

idleCoder

A coding-themed incremental browser game with an animated terminal, upgrade systems, bounties and prestige-style progression.

• Pinia
• Tailwind CSS
• TypeScript

Idle Maker

A cozy makerspace idle game about growing a garage workshop through production stations, makers, community orders and lasting reputation.

• Docker Compose
• Express
• Phaser

JunkCatMiner

A browser mining-game experiment with a block-based world, limited energy and carrying capacity, upgrades and helper automation.

• Canvas
• JavaScript
• React

Kurven

A grocery catalog archive and price-history explorer built around REMA 1000 observations.

• Drizzle
• Node.js
• PostgreSQL

Lando

A map-based strategy and trading-game project that connects fictional land ownership, production and long-term planning to real-world map data.

• Docker Compose
• OpenStreetMap
• TypeScript

LayoutApp

A browser vector-layout editor organized around drawing tools, editable paths, document history and a structured design workspace.

• Polygon clipping
• React
• SVG

Listen2 DJ

A modular browser DJ workspace with deck views, waveform presentation, mixing controls and an Auto DJ engine.

• TypeScript
• Vite
• WaveSurfer.js

Listen — Audio Studio and Analysis

A two-part audio project pairing a native Rust DJ/mixing workspace with a browser-based audio analysis and measurement tool.

• CPAL
• egui
• React

Makerspace Næstved Website

A reserved repository associated with the Makerspace Næstved website, awaiting committed implementation and project documentation.

Manifesto

A website-metadata inspection tool with scorecards and editors for application manifests, sharing previews, icons and structured data.

• Cheerio
• Monaco Editor
• Next.js

MinerGame — Junk Cat Digger

A full-stack mining-game variant that combines short digging runs, equipment choices and persistent progression.

• Canvas
• Express
• JavaScript

MKR:CTRL — Makerspace Workstation Management

A small self-hosted control-plane project for repeatable setup and maintenance of shared Linux workshop computers.

• Ansible
• Caddy
• Docker Compose

MKR:SCRN — Makerspace Digital Signage

A self-hosted digital-signage system with a scene editor, media storage, live player updates and resilient kiosk playback.

• Drizzle
• Fastify
• React

MSBR Alarm Statistics

A self-hosted archive and statistics interface for public fire-and-rescue notices, with explicit source coverage and revision handling.

• Alembic
• FastAPI
• PostgreSQL

Old Ads — Reklame Detektiven

An archival research application organized around historical advertisements, source documents, extracted crops, OCR and detection workflows.

• Computer vision
• FastAPI
• OCR

OmniConvert

A modular file-conversion platform that discovers supported routes through plugins and processes single files or mixed-format batches in an isolated worker.

• Conversion plugins
• Docker Compose
• Radix UI

OpenData

A working collection for sourcing, processing and documenting Danish open data.

• CSV
• JSON
• Python

OpenDataMCP

Danish language resources exposed as local Model Context Protocol tools for word verification, word games, spelling assistance and grammatical lookup.

• JSON-RPC
• Model Context Protocol
• Python

OpenDataSets — Danish Open Data

Processed Danish word lists, statistics and data-source catalogs distributed as straightforward CSV, JSON and text files with integrity manifests.

• CSV
• JSON
• Open data

OpenSCAD Generators

A curated collection of parametric OpenSCAD models, editable generators and ready-to-slice examples for practical 3D-printing projects.

• 3D printing
• OpenSCAD
• PrusaSlicer

OpenSCAD Workshop

A private parametric design workshop for practical objects and fabrication experiments.

• 3D printing
• OpenSCAD

P20 ImgForge

A browser-based image studio focused on adjustments, format conversion and compression, with a portable editing-project format.

• Canvas
• IndexedDB
• PWA

P20 Website Platform

The WordPress platform behind P20.dev and its structured project portfolio.

• Docker Compose
• MariaDB
• PHP

PiX — Local Image and Vector Editor

A local-first browser editor combining layered composition, editable SVG import, raster adjustments and on-device background removal.

• Fabric.js
• IndexedDB
• PWA

Placeholders

A geography-based multiplayer game combining Danish places, collections and a fictional economy.

• Fastify
• PostGIS
• PostgreSQL

Production — The Idle Game

A browser-based industrial tycoon game in which raw materials, factories and logistics form interconnected supply chains with persistent progression.

• Docker Compose
• FastAPI
• JavaScript

Sjov.app

A searchable image collection with community favorites, lists and moderated contributions.

• Fastify
• React
• Sharp

SMK Playground

An exploratory art-data project combining reproducible SMK dataset processing, perceptual color analysis, artwork similarity and deterministic sonification.

• DuckDB
• FastAPI
• OKLab

Stickman Playground

An augmented physics sandbox that turns webcam-detected edges into platforms for an animated stick figure.

• Computer vision
• JavaScript
• Matter.js

Suno Archive

A personal archive for preserving, organizing and publishing a collection of AI-generated music.

• Butterchurn
• FastAPI
• FFmpeg

TechIcons

A reproducible acquisition workflow for technology SVG assets with provenance and rights metadata.

• Python
• Simple Icons
• SVG

Tech Library

A source-backed development reference with revisioned content, faceted search and a human-reviewed workflow for monitoring official technical sources.

• Docker Compose
• Drizzle
• Fastify

The Pirate Ray

An evidence-led, clean-room effort toward an auditable open-source laser workflow, beginning with offline research, simulation and validated machine profiles.

• BalorMK
• Desktop software
• MeerK40t

The Pirate Ray — Private Stash

A restricted evidence archive supporting the documentation and research behind The Pirate Ray.

• Digital Archiving
• Provenance

Website Screenshot Pro

A Chrome extension combining flexible page capture with an editable annotation workspace.

• Chrome Extensions
• Fabric.js
• HTML Canvas

Wordy

A mobile-first Danish word puzzle with generated levels grounded in real language data.

• Node.js
• PWA
• React