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PROJECT GALLERY

Every idea. One view.

Apps, research and small experiments — every project in one visual collection.

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18 projects
MYLIFEGRAPH / DESIGN SYSTEMMyLifeGraph: a preview of the light design system with planning elements and status indicatorsFlutter · Personal daily planning
01 / Apps & Tools

MyLifeGraph

A personal companion for planning, habits and focus. Daily check-ins meet a clear view of everyday life.

FlutterDartPython
More about this project

A mobile-first coaching app built with Flutter, FastAPI and Supabase. Guest mode makes it possible to explore without an account; planning and guidance are based on explicit user input.

Open app Code
NUTRIPILOT / MEAL PLANNING

Your week. Well nourished.

Weekly plan↗
MonTueWedThuFriSatSun
LUNCHColourful veggie bowlFreshly planned. Simply cooked.
DinnerPasta & Pesto↗
Shopping list ✓✓ Vegetables✓ Rice○ Pasta
Demo with sample content
02 / Apps & Tools

NutriPilot

Personal weekly meal plans, matching shopping lists and upcoming meals at a glance. Also known as V&M Fuel.

JavaScriptMeal Planning
More about this project

A nutrition project built around personal preferences, weekly planning and shopping lists. The original V&M Fuel project website remains available in the archive.

Project website Code
CODEX UI / AGENT WORKSPACE

Projects. Agents. Progress.

codex ui
WORKSPACE◈ Portfolio◇ Playground+ New projectCodex · Claude · Grok
✦ Codex

Build a useful app.

✓Understand the project
✓Implement changes
◌Review the result
An idea becomes an app.↑
Demo with sample content
03 / Web

Codex UI

A dedicated interface for agentic development: projects, chats and multiple coding agents in one place.

TypeScriptWeb UI
More about this project

A personal web app for orchestrating coding agents, managing projects and chats, and voice input. The visual preview is an illustrative demo with sample content.

Private source
YAPP AI / VOICE TO TEXT

Speak it. Keep it.

00:12
TRANSCRIPTION✦

Capture a new idea.

Give the thought room to grow.

Windows + AndroidDemo with sample content
04 / AI & Research

Yapp AI

Speak instead of typing: native voice input for Windows and Android, with separate meeting recording and transcription.

JavaC#Speech-to-Text
More about this project

A native application in development, featuring a microphone overlay, dictation history and configurable speech providers. Device validation is still part of ongoing development.

Private source
ZERO-SHOT / CHEST X-RAY

Image meets language.

Image
Text prompts

Shared embedding space

Multiple findings ↗
Research · model and prompt comparison
05 / AI & Research

Zero-Shot Chest X-Ray

Which findings can vision-language models identify without task-specific training? Comparing BioMedCLIP and MedCLIP with different prompting strategies on chest X-rays.

PythonVision-Language ModelsZero-Shot Learning
More about this project

A research project on zero-shot multi-label classification with BioMedCLIP and MedCLIP across CheXpert, NIH ChestX-ray14 and PadChest. We compared positive and negative prompts, LLM-generated descriptions and composed strategies. Evaluation shows that the benefit of a prompt strategy strongly depends on the model and dataset.

Private source
3D VISION / GAUSSIAN SPLATTING

Many views. One scene.

Concept illustrationCameras → 3D Gaussians → new views
06 / AI & Research

3D Reconstruction with Gaussian Splatting

A team project reconstructing 3D scenes from multiple calibrated camera images. A neural model produces a 3D Gaussian representation that can be rendered from new viewpoints.

PythonPyTorch3D Gaussian Splatting
More about this project

For the project, we developed a pipeline that fuses image features from multiple cameras to predict a metric 3D representation of objects and their surroundings. The work covered model training, novel-view rendering and evaluation of reconstruction quality.

Private source
TÜBINGEN / SEARCH ENGINE

Your city. Searchable.

Original project interface
07 / AI & Research

Tübingen Search Engine

A search engine for websites about Tübingen: crawling, indexing and ranking in a collaborative university project.

PythonStreamlitInformation Retrieval
More about this project

Created in the Modern Search Engines course. A pipeline turns websites into a searchable index and presents results through a Streamlit interface.

Code
HOCKEY / REINFORCEMENT LEARNING

Learn. Play. Compete.

SAC ↔ Agent vs. agentTraining → Benchmark → Competition
08 / AI & Research

Hockey RL Agents

Developing and training reinforcement learning agents to face other agents in a provided hockey environment. The project concluded with a competition between teams.

PythonReinforcement LearningSoft Actor-Critic
More about this project

My contribution to the team: a Soft Actor-Critic (SAC) agent, training against a pool of different opponents and benchmarks to compare models. The trained agent competed against other teams’ agents in the final competition.

Private source
Pencil2Pixel: a pink aircraft in the clouds, generated from a sketch
The original hand-drawn aircraft sketchIt starts with a sketch.
Sketch → Image
09 / AI & Research

Pencil2Pixel

From a first sketch to an AI-generated image. A drawing canvas meets prompts, visual styles and creative experiments.

PythonJavaScriptGenerative AI
More about this project

Draw in the browser, add a prompt and generate images through a Python backend. The project includes brushes, an eraser, undo/redo and adjustable generation parameters.

Code
AQUADEFENDER / SURVIVAL

One island. One way out.

Collect · Build · Escape
10 / Games

AquaDefender

Survive waves of pirates on an island, collect loot and upgrade your equipment. The goal: build a ship and escape.

C#2D Game
View game Code
CONNECT / APP COLLECTION

Your tools. One home.

Four small apps, connected.Original app · in your browser
11 / Apps & Tools

Connect App

Open RepCounter, Gem Calculator, Card Manager and Egg Timer from one shared interface.

JavaScriptPWA
Open app
REPCOUNTER / FITNESS

One set. Full focus.

01
Original app · in your browser
12 / Apps & Tools

RepCounter

Count repetitions, track workout time and stay focused on your set. One of my first web and Android projects.

JavaScriptFitness
Open app Code Android download
CARD MANAGER / COLLECTIONS

Small cards. Big ideas.

Collect ideas.
InspirationFavourites
+
Demo with sample content
13 / Apps & Tools

Card Manager

Manage cards, images and custom categories in a small web app. Data is stored locally in your browser.

JavaScriptLocal Storage
Open app Code
GEM CALCULATOR / GAME TOOLS

More time per gem.

Time saved
A
B
Compare. Choose wisely.
Concept illustration
14 / Apps & Tools

Gem Calculator

Compare magic items: which purchase saves the most time per gem spent?

JavaScriptClash of Clans
Open calculator Code Android download
PORTFOLIO / PERSONAL WEB

A home for your ideas.

matze.↗
Hi, I’m Matze.Turning ideas
become reality.
Concept illustration
15 / Web

This Portfolio

My projects, interests and progress in one place. The original website lives on in the archive.

HTMLCSSJavaScript
Open original version Code
EGG TIMER / SMALL TOOLS

Five minutes. Just that.

05:00Time for a break.
▶
Concept illustration
16 / Apps & Tools

Egg Timer

A simple five-minute timer. A small experiment from the first version of my portfolio.

JavaScriptMini project
Open timer
ROUTING / WEB EXPERIMENT

One click. A new path.

HomeInfoSettings
/home ↗
/home→/info→/settings
Concept illustration
17 / Web

Routing Template

A small example of modular routing with home, about and settings pages.

JavaScriptES Modules
Open demo
CAMPFIRE / STARTPAGE

A calmer start.

Concept illustration
18 / Web

Campfire Startpage

An early start-page concept with a campfire video from my original repository.

HTMLCSSVideo
Open concept

Room for a new idea.

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