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Onivim 2

Lightweight, Modal Code Editor

⚠️ Currently in alpha - may have bugs or instability - use with caution ⚠️

Onivim 2


Onivim 2 is a reimagination of the Oni editor. Onivim 2 aims to bring the speed of Sublime, the language integration of VSCode, and the modal editing experience of Vim together, in a single package.

Onivim 2 is built in reason using the revery framework.

Onivim 2 uses libvim to manage buffers and provide authentic modal editing, and features a fast, native front-end. In addition, Onivim 2 leverages the VSCode Extension Host process in its entirety - meaning, eventually, complete support for VSCode extensions and configuration.


  • Modern UX - an experience on par with modern code editors like VSCode and Atom
  • VSCode Plugin Support - use all of the features of VSCode plugins, including language servers and debuggers
  • Cross-Platform - works on Windows, OSX, and Linux
  • Batteries Included - works out of the box
  • Performance - no compromises: native performance, minimal input latency
  • Easy to Learn - Onivim 2 should be comfortable for non-vimmers, too!

The goal of this project is to build an editor that doesn't exist today - the speed of a native code editor like Sublime, the power of modal editing, and the rich tooling that comes with a lightweight editor like VSCode.


  • 100% VimL compatibility - we may not support all features of VimL plugins / configuration.



We'd ❤️ help building Onivim 2!

If you are interested in fixing issues and contributing directly to the code, please see the How to Contribute document, which includes the following:

Please also see our Code of Conduct.



Onivim 2 source code is licensed under the MIT license.

Onivim 2 downloads, available at, are licensed under the Outrun Labs EULA 1.1.

Third-Party Code

Several dependencies have their own set of license terms here: ThirdPartyLicenses.txt

Copyright (c) 2019-2020 Outrun Labs, LLC.