14 Best Open Source WYSIWYG HTML Editors

The WYSIWYG (What You See Is What You Get) editors are self explanatory. Everything you see while editing is what you, the reader/user, see.

Whether you want to build your content management system or aim to provide an editor to the end user of your application, an open source WYSIWYG editor will help you provide a secure, modern, and scalable experience. Of course, you also get the technical freedom to customize the open source WYSIWYG editors to suit your needs.

Here we take a look at some of the best open source WYSIWYG editors.

Things to look for when choosing a WYSIWYG HTML editor

A document editor should be fast for some users and loaded with features.

Similarly, what are the key things to consider when selecting an HTML editor? Let me give you some pointers here:

  • Is the editor lightweight?
  • Does it have SEO optimized features?
  • How does this allow you to collaborate?
  • Does it offer an autosave feature?
  • Can you check spelling and grammar with him?
  • How does it handle images/galleries?

When selecting an open source HTML editor for your application or website, you should look for these essential aspects.

With that in mind, let me mention some of the best options to try.

To note: Publishers are not in any particular ranking order. You can choose the best one for your use case.


ck5 editor

Main characteristics:

  • Automatic backup.
  • Drag and drop support.
  • Responsive images.
  • Supports pasting from Word/GDocs while preserving formatting.
  • Auto-formatting, HTML/Markdown support, font style customization.
  • Image alt text.
  • Real-time collaboration (Premium only).
  • Revision history (Premium only).
  • Spelling and grammar check (Premium only).

CKEditor 5 is a feature-rich, open-source WYSIWYG editing solution with great flexibility. The user interface looks modern. Therefore, you can expect a modern user experience.

It offers a free edition and a premium plan with additional features. CKEditor is a popular option among companies and several publications with a custom content management system (CMS), for which they provide technical support and custom deployment options.

The free edition of CKeditor should provide basic editing capabilities if you don’t need an enterprise-level offering. Discover his GitHub page explore.

2. Froala


Main characteristics:

  • Simple user interface and responsive design.
  • Easy to integrate.
  • HTML/Markdown support.
  • Custom theme/style support.
  • Lightweight.
  • Image manager and alt text.
  • Automatic backup.

Froala is an exciting web editor that you can easily integrate with your existing open source CMS like WordPress.

It provides a simple user interface with the ability to extend its functionality through default plugins. You can use it as a simple editor or add more tools to the interface for a powerful editing experience.

You can self-host it, but to access its mobile apps and premium support, you need to upgrade to one of the paid plans. Head to his GitHub page to know more.

3. TinyMCE

tiny editor

Main characteristics:

  • Automatic backup.
  • Lightweight.
  • Emoticons.
  • Manage images.
  • Insight.
  • Color picker tool.

TinyMCE is an incredibly popular option for users looking to use a solid editor with multiple integration options.

TinyMCE was the editor that powered WordPress with proven flexibility and ease of use for all users. Unless you want real-time collaboration and cloud deployments at your disposal, the free self-hosted edition of TinyMCE should serve you well.

It’s a lightweight option with essential features to work with. Find out more about his GitHub page.

4. Quilljs


Main characteristics:

  • Lightweight.
  • Extend functionality using extensions.
  • Simple and easy to use.

Do you like Slack’s built-in editor or LinkedIn’s web editor? Quilljs is what they use to deliver that experience.

If you’re looking for a premium no-frills free and open-source WYSIWYG editor, Quill (or Quilljs) should be the perfect text editor. It is a lightweight editor with a minimal user interface that lets you customize or add your extensions to tailor their functionality to your needs.

To explore its technical details, go to its GitHub page.

5. Aloha Editor

Main characteristics:

  • Quick editor.
  • Frontal edition.
  • Supports clean copy/paste from Word.
  • Easy integration.
  • Plugin support.
  • Customization for look and feel.

Aloha Editor is a simple and fast HTML5 WYSIWYG editor that lets you edit content on the front-end.

You can download and use it for free. But, if you need professional help, you can contact them for paid options. His GitHub page should be the place to explore its technical details.


js editor 1

Main characteristics:

  • Block-style editing.
  • Completely free and open-source.
  • Plugin support.
  • Collaborative editing (in roadmap).

Editor.js gives you the benefits of a block-style editor. Headings, paragraphs, and other elements are all separate blocks, making them editable without affecting the rest of the content.

This is a completely free and open source project with no premium extras available for upgrading. However, there are several plugins to extend the functionality, and you can also explore its GitHub page for more information.

7. Trix

trix editor

To note: This project has not seen any new activity for over a year at the time of writing.

Trix is ​​an open source project from the creators of Ruby on Rails.

If you want something different for a change, with the basic functionality of a web editor, Trix may be a choice. The project describes that it is designed for the modern web.

Trix isn’t a popular option, but it’s a respectable project that lets DIYers try something different for their website or app. You can find out more about his GitHub page.

8. Summer Notes

summer note

Main characteristics:

  • Lightweight.
  • Simplified user interface.
  • Plugins supported.

Want something similar to TincyMCE but simpler? Summernote can be a good choice.

It offers the look and feel of a classic web editor without any modern and fancy UX elements. The objective of this editor is to offer a simple and fast experience as well as the possibility of adding plugins and connectors.

You can also change the themes according to the Bootstraps used. Yes, an editor on Bootstrap. Find out more about his GitHub page.

9. Content tools

content tools

Main characteristics:

  • Easy to use.
  • Completely free.
  • Lightweight.

Want to edit HTML pages from the front-end? Well, ContentTools lets you do that pretty quickly.

Although it can be integrated with a CMS, it may not be a preferred choice for the job. You can take a look at his GitHub page as well.

10. Toast UI Editor

toast ui editor

Main characteristics:

  • Specially focused on Markdown editing/pages.
  • Plugins supported.
  • Live preview.

Toast’s UI editor will be great if you’re dealing with Markdown documents to publish web pages.

It offers a live preview and some essential options for editing. You also get a dark theme and plugin support for extended functions.

Although it provides some useful features, it may not be a feature-rich editor for everyone. Learn more about his GitHub page.

11. Jodit

screenshot by jodit

Main characteristics:

  • Lightweight.
  • Based on TypeScript.
  • Plugin support.

Jodit is a TypeScript-based WYSIWYG editor that doesn’t use any additional libraries.

It is a simple and useful editor with all essential editing features, including drag and drop support and a plugin system to extend functionality.

The user experience is very similar to the classic WordPress editor or TinyMCE. You can opt for its pro version to access additional plugins and technical support. Head to his GitHub page to explore the technical details.

12. SC Editor


Main characteristics:

  • Simple and easy to use.
  • Completely free.
  • Lightweight.
  • Plugin support.

SCEditor is yet another simple open source WYSIWYG editor. It may not be popular enough, but it has been actively maintained for over six years since its release.

By default, it doesn’t support drag and drop, but you can add it using a plugin. It is possible to use several themes and also customize the icons. Learn more about his GitHub page.

13. Sun Editor


Main characteristics:

  • Feature-rich.
  • Completely free.
  • Plugin supported.

Like the last one, SunEditor is not popular enough but works well with its simple and feature-rich offering.

It is based on pure JavaScript with no dependencies. You should be able to copy from Microsoft Word and Excel without issue.

In addition, one can also use KaTex (math plugin). It also gives you complete freedom with custom plugins. There are no premium extras here. Head to his GitHub page to discover his latest releases.

14. Prose Mirror


Main characteristics:

  • Collaborative capabilities.
  • Modular.
  • Simple.
  • Plugin support.

ProseMirror is an exciting, free choice for users who want collaborative editing capabilities. Most WYSIWYG editors offer collaboration functionality for a premium. But here you can work with others on the same document in real time (for free).

It provides a modular architecture that makes maintenance and development more accessible than others.

Find out more about his GitHub page.

Choosing the Best Open Source WYSIWYG Editor

Depending on the type of use case, it is easy to choose a WYSIWYG, an open source editor.

If you want to focus on the out-of-the-box experience and reduce the effort to maintain it, any option that offers premium technical support should be a good choice.

If you’re more of a do-it-yourselfer, you should do whatever meets your needs.

Note that a popular option does not mean that this is a perfect editor for your needs. Sometimes a simpler option is a better solution than a feature-rich editor.

So what would be your favorite open source HTML editor? Let me know in the comments below.

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