Open Source Code Editor

Code fast.
Stay light.

Kodo is a fast, lightweight code editor built by KerbalMissile and SS-YYC. Open a file or folder, install language support and themes from the marketplace, and keep moving with tabs, autosave, recent files, and a built-in terminal.

Download View on GitHub

What you get

Built for quick starts and steady flow

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Extension-Driven Language Support

Syntax highlighting comes from `.kox` extensions, so language support stays flexible and easy to expand.

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Marketplace + Local Extensions

Browse installable extensions inside the app or drop in your own files for new languages and themes.

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Lightweight by Design

A focused Windows x64 editor that stays quick to launch and easy to set up without extra noise.

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Clean Workspace

Work with folders, a file explorer, recent files, and tab restore in an interface that stays out of the way.

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Editing Quality-of-Life

Autosave, auto-closing pairs, auto-indent, and find-in-file help you keep momentum while writing code.

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Built-In Extras

Use themes, an embedded terminal, a guided walkthrough, and optional Discord Rich Presence without leaving the editor.

Screenshots

See it in action

Extensions Marketplace

Extensions

Language support and themes that fit your stack

Kodo loads syntax highlighting and theme packs through `.kox` extensions, with marketplace browsing built right into the app. Open a file, install what you need, and let Kodo match the right highlighting automatically.

Browse official extensions
// manifest.json inside a .kox file { "name": "C#", "extensions": [ ".cs", ".csx" ], "version": "1.0.0" }

Get started

Up and running in a few minutes

01
Download the installer Grab the latest release from GitHub. Kodo is currently built for Windows x64.
02
Run the installer Install Kodo, launch it, and get started.
03
Add your stack Open the marketplace to install language support and themes, or drop in your own `.kox` extensions.
04
Open a folder and start coding Use the file explorer, tabs, autosave, and terminal to settle into your normal workflow right away.