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

> Source: <https://rhun.app/>
> Published: 2026-10-01 20:32:18+00:00

AI does the heavy lifting. Keep your code editor light.

# Less weight. More flow.

A small, fast code editor. Written in assembly.

## Explore rhun

Tabs, syntax highlighting, fuzzy search, and optional Vim mode.

Run builds, shell commands, and coding agents beside your code.

Review diffs, stage changes, and commit. Draft messages with local open-weight models or Claude Code and Codex using your existing subscriptions. AI is optional.

Follow your project’s Claude Code and Codex sessions as they work.

Choose from 39 light and dark themes. Preview a few here.

Rhun Dark

6 OF 39 THEMES
Terminal install · Linux & macOS

`curl -fsSL https://github.com/vshvedov/rhun/releases/latest/download/install.sh | sh`
**Windows:** [Download the ZIP](https://github.com/vshvedov/rhun/releases/download/v0.16.2/rhun-0.16.2-windows-x86_64.zip), extract it, and open `rhun.exe`.