tono

tono is a node-based SPM image processing and analysis tool. The main focus is on topographical measurements.

It is heavily inspired by Gwyddion, one of my favorite scientific FOSS programs on the web.

Project layout

tono/
  backend/         Python server, execution engine, nodes
  frontend/        React/Vite app
  plugins/         User plugin files (.py)
  tests/           Python tests
  docs/            Documentation
  desktop.py       Desktop launcher
  scripts/         Build scripts (macOS, Linux, Windows)

Quick start

Install a local binary from the Releases section, or run locally:

# Installation
python -m venv .venv && source .venv/bin/activate   # Windows: .venv\Scripts\activate
pip install -e ".[dev]"
npm install

# Running the servers
npm run backend   # terminal 1 — Python server at http://127.0.0.1:8188
npm run dev       # terminal 2 — Vite dev server, open the URL it prints

Docs

• Building — setup, dev mode, web deployment, and native desktop builds for macOS, Linux, and Windows
• Plugins — writing and uploading custom node plugins
• Testing — running tests and writing new ones