The best open source alternative to TinyMCE is CKEditor. It's not free, so if you're looking for a free alternative, you could try CKEditor or Trumbowyg. If that doesn't suit you, our users have ranked more than 25 alternatives to TinyMCE and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to TinyMCE are Tiptap, ProseMirror, ContentTools Editor and Summernote.
CKEditor 4 and CKEditor 5 are easy-to-implement open source JavaScript WYSIWYG rich text editors for any web browser. CKEditor Ecosystem has 2 very distinct rich text editors as well as image upload and collaboration solutions.
Trumbowyg is a very small jQuery plugin (16 kB minified) for creating a powerful WYSIWYG editor. Features:
Quill is a free, open source WYSIWYG editor built for the modern web. With its modular architecture and expressive API, it is completely customizable to fulfill any need.
The headless rich text editor framework for web artisans. Build products with real-time synchronization, amazing content experience, whiteboard collaboration, real-time editing, AI-powered content and version control efficiency.
ProseMirror tries to bridge the gap between editing explicit, unambiguous content like Markdown or XML, and classical WYSIWYG editors.
A small & beautiful WYSIWYG editor for HTML content. ContentTools is a collection of small, flexible, extensible and framework agnostic JavaScript libraries for creating beautiful WYSIWYG editors for HTML content.
WYSIWYG Editor built with jQuery, Bootstrap and Font-Awesome. MIT-licensed. 2500+ stars on GitHub.
Editor.js is a block-styled editor for rich media stories. It outputs clean data in JSON instead of heavy HTML-markup. And more important thing is that Editor.js is designed to be API extendable and pluggable.
Alloy Editor is a modern WYSIWYG editor built on top of CKEditor, designed to create modern and gorgeous web content.
The Suneditor is a lightweight, flexible, customizable WYSIWYG text editor for your web applications.
Aloha Editor is an HTML5 WYSIWYG Editor that gives you a total new experience when editing. It's faster than existing WYSIWYG technologies and offers unprecedented WYSIWYG functionalities.
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They're both top-of-the-line open source WYSIWYG HTML editors.