Justin Nel
South African programmer living in Tokyo. I write about the craft between bits and products: AVR C, Go, C#, TypeScript, tools, systems, small game experiments, and the rabbit holes that keep pulling me toward the next thing.
Latest · August 9, 2026 Finding Familiar Code with Mori →Finding Familiar Code with Mori
A local tool I built to find structurally similar code, and why I now use it across most of my larger projects.
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Finding Familiar Code with Mori
A local tool I built to find structurally similar code, and why I now use it across most of my larger projects.
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Open sourcing syncpick
A small interactive picker for copying selected folders from SSH servers with rsync.
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Building a Local-First Document Workflow Prototype
A high-level look at a recent client project: turning messy document intake into a structured, auditable workflow without exposing the client details.
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Finding My Feet
Settling into Japan properly: new friends, better health, too many crane games, and personal projects coming back to life.
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A long overdue update
Catching up after a few quiet years, from Sweden and Cyber Lane AB to Japan and Cogent Labs.
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KidSpeak in Lund
Announcing the KidSpeak Lund event, with signups now live, a Stockholm event coming soon, and more plans around Leetspeak and personal projects.
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Another site for my content
Separating personal, professional, and project content across Cyber-Lane, Justinel.com, and future Kidspeak updates.
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Why Cloudflare gives error 522 to my NodeJS app
Debugging Cloudflare error 522 on a self-hosted Node.js app and discovering why port 80 still mattered for HTTPS traffic.
Things I've built
Mori
open-sourceA local CLI for finding structurally similar functions, scripts, and SQL queries across large codebases.
syncpick
open-sourceAn interactive terminal picker for safely copying selected folders from SSH servers with rsync.
Kidspeak
activeA programming and technology event for kids, running in Sweden since 2016.
Snow-Meep
releasedA light-up snowman soldering badge kit for events and workshops.