Things I’ve built.

No unifying theme: a browser storage library, an AWS log parser, an audio visualiser for musicians, a QR generator. I build what I need, or what I want to exist. Some of it turned out to be useful to other people too.

  • WaveVisual

    SaaS

    Turns a song or a voice note into sound-wave art you can print, or a video you can post.

    revenue / yr
    $50k
    visitors / mo
    18.2k

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  • PrettyQR

    Web app

    QR codes that do not look like QR codes. Paste a URL, get something you would actually put on a poster.

    visitors / mo
    4.1k
    codes / mo
    6.6k

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  • locally

    Browser library

    localStorage with expiring items and LZW compression, so more fits in the 5 MB the browser gives you.

    stars
    368
    forks
    10

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  • Elastic Load Balancer Log Analyzer

    Command-line tool

    Reads AWS load balancer logs and tells you what is actually slow.

    stars
    240
    forks
    31

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  • Notion Help Center

    Self-hosted service

    Publishes a Notion database as a searchable help centre and keeps it in sync. It also runs the articles on this site.

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  • DispatcherJS

    Node.js library

    Event emitter with namespaces and callback dependencies, from back when everything was an event emitter.

    stars
    45

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  • Die Besten Beratenden

    B2B marketplace

    Matches German companies that need consulting with vetted consultants. Built solo end to end: frontend, API, search, billing, and deployment.

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  • Auto Pull Request Review Bot

    GitHub bot

    Reviews pull requests automatically and posts comments, so engineers get first-pass feedback without waiting on a teammate.

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Monthly figures cover the 30 days to 9 September 2026; revenue is an annual figure. GitHub counts are from the same date.