15 projects · 2023–2026

Thomas
Steinhauer

Manager in Big4 consulting, Switzerland.

After hours I ship apps, wire DJ booths to light rigs and write plugins for coding agents. I'm also building three bungalows on a Thai island.

All of it personal, all of it on my own time.

01 Products 5

  1. 2026

    DJStrich

    Line-up, guest list and door for clubs and promoters in Germany, Austria and Switzerland. Every DJ gets one link for mixes, releases and gigs.

    Astro · Supabase · Cloudflarelive

  2. 2026

    HalloNachbar

    A private network for one building. Borrow a drill, give away the bike in the basement, plan the barbecue, skip the group chat. In German, English and French.

    Expo · Supabaselive

  3. 2026

    PuzzleLab

    Cozy puzzle games for iPhone. First up is Cat Nap, a cat-matching game, then Cat Pile and Off the Table.

    Unity · C#in development

    Cat Nap store artwork: three cats asleep on a sofa
  4. 2026

    Mona

    An AI friend for iOS and Android. She remembers what you told her, has moods of her own, and texts first.

    Expo · Durable Objectsin development

    Mona's four moods: idle, listening, delighted and low
  5. 2026

    Tolle Kunterbunte Kinderlieder

    60 German songs for preschoolers, two a day for 30 days, as paper-cut animated videos. Music, pictures and edit all come out of one laptop.

    Python · ACE-Step · HyperFramesin development

    A frame from one of the videos: paper-cut mice next to a wedge of cheese

02 Music, DJ & light 4

  1. 2026

    xdj-midi-beat

    Turns the beat of Pioneer CDJs and XDJs into Ableton Link, MIDI clock and MTC, so lights, drum machines and DAWs lock to the DJ. Runs on a laptop or a small ESP32 box.

    Rust · ESP32open source

  2. 2026

    Playlister

    Point it at a folder of tracks and get a DJ set back: ordered by key, shaped by an energy curve you draw, exported as .m3u8.

    Python · Claude skillprivate

    Playlister with a rising energy curve over a sequenced track list
  3. 2026

    rbxport

    A lean rekordbox alternative for library, USB export and Pro DJ Link. I added two-player sync, playable waveforms and more (my fork).

    Rustcontribution

  4. 2023

    WLED

    LED controller firmware for the ESP32. I added a DMX preset mode: channel 1 dims, channel 2 picks one of 250 presets, so a lighting desk runs the show.

    C++ · ESP32 · DMXcontribution

03 Agent tooling 2

  1. 2026

    ponycave100

    A Claude Code plugin with one hook and three rules for every agent session: terse chat, aerospace-grade English in files (ASD-STE100), lazy code.

    Node · Pythonopen source

  2. 2026

    model-router

    Sends every task to the cheapest Claude model that can do it: log chores to Haiku, refactors to Sonnet, architecture to Opus, security audits to Fable.

    Pythonopen source

04 Experiments 3

  1. 2026

    Politrades

    Reads every disclosed US politician stock trade, scores it against committee seats and White House statements, and pings Telegram when one scores high.

    Python · SQLiteprivate

    A Politrades morning brief with scored trades
  2. 2026

    Ukraine Drone Command

    A browser strategy roguelite. Run a Ukrainian drone unit across a branching campaign, from recon to fires.

    TypeScript · PixiJSshelved

    The tactical view: forest, river and drone markers on the Izium front
  3. 2026

    overnight-trader

    Bets that stocks earn their money overnight. Buys near the close, sells at the next open, sizes positions on an efficient frontier.

    Python · Alpacashelved

    An efficient frontier chart used to size positions

05 Property 1

  1. 2025

    Kitty Ranch

    Three bungalows on a hillside on Koh Phangan, Thailand. I planned most of the build and set up the solar power and water filtration.

    Solar · Water filtrationbuilding

    The roof of the big bungalow, covered in solar panels, with the sea behind it