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Codex

A free note-taking software for programmers and Computer Science students

Install / Use

/learn @jcv8000/Codex

README

<p align="center"> <img src="./packages/renderer/public/logo.png#gh-light-mode-only" width="400" /> <img src="./packages/renderer/public/logo-light.png#gh-dark-mode-only" width="400" /> <br> <img alt="GitHub all releases" src="https://img.shields.io/github/downloads/jcv8000/Codex/total?label=Downloads"> <img alt="GitHub release (latest by date)" src="https://img.shields.io/github/v/release/jcv8000/Codex?label=Release"> <img alt="GitHub issues" src="https://img.shields.io/github/issues/jcv8000/Codex?label=Issues"> <a href="https://ko-fi.com/jcv8000"><img src="https://img.shields.io/badge/Ko--Fi-Donate-red"></a><br><br> <span>A free note-taking software for programmers and Computer Science students</span><br><br> <small>Made by <a href="https://jvickery.dev">Josh Vickery</a></small> </p>

About

Notice: If you're upgrading from Codex v1, make sure to back up your save data (save.json and notes folder) for all of your saves before updating.

Codex is a note-taking app that allows you to save styled and highlighted code snippets in your notes.

Other features:

  • Support for highlighting 190+ programming languages
  • Over 240 code themes
  • Sort your notes into nestable notebooks/folders, customizable icons for notebooks and pages
  • KaTeX math expressions
  • PDF and Markdown exporting

Screenshot

Example screenshot

Other Distributions

Arch Linux: You can install Codex from the AUR with codex-bin (unofficial)

Building Locally

Requires Node.js 16 or higher

pnpm install

pnpm dev # Run the app in development mode with hot reloading
pnpm dir # Only generates folder(s) of the standalone executable, quicker
pnpm dist # Generates all installers/portable archives for your platform

License

This work is licensed under a CC BY-NC 4.0 license.

Related Skills

View on GitHub
GitHub Stars562
CategoryDevelopment
Updated5d ago
Forks73

Languages

TypeScript

Security Score

85/100

Audited on Mar 20, 2026

No findings