# The Rohans Limited

> The Rohans Limited builds desktop apps, browser extensions, and utilities.

The Rohans Limited designs and sells small, focused applications for musicians, developers, and everyday users. Founded and run by [Rob Rohan](https://robrohan.com), a machine learning consultant.

For full product documentation, commands, and system requirements see [llms-full.txt](https://therohans.com/llms-full.txt).

## Products

### Floyd
Desktop music player for macOS, Ubuntu, and Windows.
- Plays MP3, FLAC, and WAV files
- WinAmp-inspired interface: minimal and fast-loading
- Available as a paid desktop app or free open-source CLI
- Purchase and download: https://therohans.com/floyd/
- Open-source CLI: https://github.com/robrohan/floyd

### WebArchive Extractor
macOS utility for converting Safari .webarchive files to plain HTML.
- Drag-and-drop interface
- Extracts all HTML, CSS, images, and assets into a normal directory structure
- Useful for publishing TextEdit-authored pages as static sites
- Purchase and download: https://therohans.com/webarchiveextractor/
- Open source: https://github.com/robrohan/WebArchiveExtractor

### Traqueur
Music tracker DAW for composing chiptune and lo-fi music.
- Runs on macOS Apple Silicon
- Tracker-style sequencer with keyboard and Steam Deck controls
- Supports MIDI CC, program change, pitch slides, arpeggio, filters, and more
- Purchase: https://therohans.com/traqueur/

### Strap
AI coding agent harness for small local language models.
- Built for limited hardware — no high-end GPU or cloud subscription required
- Works with local models out of the box; also supports Claude and OpenAI
- Runs local tools on your behalf with permission
- Currently in beta (~11 MB install)
- Purchase: https://therohans.com/strap/

### Burin
Lisp scripted SDF/CSG solid modeler for 3D printing.
- Live raymarched preview, binary STL export, and a local HTTP API
- Headless, API-driven — built for LLM agents, CI pipelines, and automation
- Currently in beta
- Learn more: https://therohans.com/burin/

### Chestnut OS
Bare-metal embedded operating system for the machine learning age.
- Tensor math and a Lisp REPL built directly into the kernel
- Runs on Xtensa LX7 (ESP32-S3), ARM, and RISC-V, including Raspberry Pi
- Lisp layer can be redefined at runtime, including by an external LLM
- Not for sale or open source — a commercial product by The Rohans Limited and Beluga Navigation Systems; contact for licensing
- Learn more: https://therohans.com/chestnut/

### Lispix
Browser-based Lisp interpreter for computer vision, graphics, and matrix algorithms.
- Runs entirely client-side via WebAssembly, no installation required
- Tensor/matrix operations and a drawable canvas in pixel or Cartesian coordinate space
- Full Unicode variable names — write formulas the way they look on paper
- Free to use: https://therohans.com/lispix/

### PagePacker
Open-source macOS app for arranging PDF pages into pocket-sized notebooks.
- Prints a single sheet that cuts and folds into a small notebook
- AppleScript support and English/Japanese localization
- BSD-3-Clause licensed
- Purchase and download: https://therohans.com/pagepacker/
- Source: https://github.com/robrohan/PagePacker

### Songomatic
Browser-based MIDI sample generator, no install required.
- Available at: https://songomatic.therohans.com

### Noice Noise
Ambient noise generator browser extension for Firefox and Chrome.
- Firefox: https://addons.mozilla.org/en-US/firefox/addon/noice-noise/
- Chrome: https://chromewebstore.google.com/detail/noice-noise/bgdmiibemibnmchafmnonblcldbmgbak

## Legal

- [Floyd Privacy Policy](https://therohans.com/floyd/privacy.html)
- [Floyd Terms of Service](https://therohans.com/floyd/terms.html)