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Show HN: Rhun, an open-source code editor written in assembly

14 points • by vladcodes • today at 8:32 PM • 2 comments • view on HN

I found that I'm not using even 1/3 of vim/vscode features anymore.

That's wht I'm building rhun - a small code editor for Linux, Windows and Apple silicon Macs. It obviously has Vim mode, a terminal, Git diffs and a panel for Claude Code or Codex sessions.

The editor and pixel renderer share an x86-64 assembly core. For Apple silicon, a build-time translator converts that core to AArch64, with separate platform adapters around it. The latest release can draft commit messages using a local Ollama model or an existing Claude Code or Codex subscription.

It's a solo project, MIT licensed and still early.


Comments

rgbrgb • today at 10:45 PM

can you talk about why you do this in assembly?

vladcodes • today at 8:35 PM

The plan is to add as less new features as possible and keep the same performance/launch time/memory and disk footprint as it is currently.

xorl • today at 9:38 PM

This bring me joy :)