Hi, I’m Tim.
Software developer from Oyten. I build small software for problems I have myself, and write down why it turned out the way it did.
In my day job I have been building larger systems for clients since 2011, mostly with Java and Spring. → Work
In my day job I have been building larger systems for clients since 2011, mostly with Java and Spring. → Work
Along the core
From the bark to the pith, newest first. The same tree, pulled straight for reading.
From the bark to the pith, newest first.
Bark
Bark
2026still growing
2026still growing
tafelrunde
Rate restaurants, plan the evenings
3 people, 1 evening a month
TypeScript, Fastify, SQLite, MapLibre, Protomaps
Live · sign-in required
focusbrick
An NFC brick that locks the phone
1 tap to lock
Kotlin, Compose, Room, OpenSCAD
Android · hardware
angebots-radar
Search leaflets, alerts to your phone
1 run a night
Python, FastAPI, SQLite, PWA
Live · sign-in required
Stöberby
Side quests for real life
1 island from 1 number
Kotlin, Compose, libGDX
In progress
On the side: Site for the friends’ association, Sports dashboard, Quiz game for the team.
From the log
All of the log →Stöberby now has its own page: an island in the fog that clears as you scroll. You can sign up there for the app’s test round. Join the test round
The relaunch is live: six designs drawn from the same content, switched with the button in the bottom right, and not a single script in the browser.
With the app still unbuilt, a year ran through on fast-forward, and after six months the map stood still. Now every island is a chapter, and a boat takes you on to the next one.
2025
2025
On the side: record-wither, Everybody Codes, Shrinking images.
2024
2024
On the side: Weekly planner, Read aloud.
2023
2023
On the side: Secret Santa as a library, object-finder, Strava scripts, Advent of Code.
2022
2022
ai-image-generator
Images from FLUX and GPT
since 2022
TypeScript, Express, Vitest, Docker
Live · sign-in required
tim-kruse.com
Six designs, the same content
2 languages
Astro, TypeScript, nginx
Live
On the side: A server of my own, Covid attendance report.
2021
2021
On the side: Word of the day, Sudoku.
2020
2020
On the side: Secret Santa from afar, Live templates for Java.
2019back to 2011
2019back to 2011
2011 to 2019: the day job.
Pith
Pith
Oyten
Work since 2011, in every ring





