--- category: api-reference --- # CKEditor 5 editing engine [![npm version](https://badge.fury.io/js/%40ckeditor%2Fckeditor5-engine.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-engine) Editing engine is the heart of CKEditor 5. It is a framework for implementing editing features. ## Documentation See the introduction to the {@link framework/guides/architecture/intro#Editing-engine editing engine architecture}. ## Installation ```bash npm install --save @ckeditor/ckeditor5-engine ``` ## Contribute The source code of this package is available on GitHub in https://github.com/ckeditor/ckeditor5-engine. ## External links * [`@ckeditor/ckeditor5-engine` on npm](https://www.npmjs.com/package/@ckeditor/ckeditor5-engine) * [`ckeditor/ckeditor5-engine` on GitHub](https://github.com/ckeditor/ckeditor5-engine) * [Issue tracker](https://github.com/ckeditor/ckeditor5-engine/issues) * [Changelog](https://github.com/ckeditor/ckeditor5-engine/blob/master/CHANGELOG.md)