What contenteditable editors are there?

Question

This question should serve as a listing of all the different content-editable solutions. Post new ones in the answers below.

Answer 1

This is a community wiki answer. You can edit me with your improvements. Alphabetically sorted.

Inline

Inline editors differ from normal editors as they can edit the content directly, i.e. not placing it inside another element, or inside an iframe.

• Aloha Editor inactive since May 2016
• CKEditor - starting from CKEditor 4 Beta
• Etch
• FresherEditor inactive since November 2012
• Hallo
• HTML5 Edit inactive since July 2011
• Mercury inactive since December 2013
• NicEdit
• Quill - starting from v0.19
• RedactorJS
• TinyMCE when used with Inline mode
• wysiwyg.js
• medium.js (library independent)
• ContentTools (Library independent)
• Froala WYSIWYG (jQuery)
• Trix
• Trumbowyg (jQuery)
• editable.js
• wysihtml

Iframes

Iframe editors often load the editor or content to edit into an iframe, to avoid styling conflicts.

• bootstrap-wysihtml5
• CKEditor
• Mercury inactive since December 2013
• TinyMCE
• WYSIHTML5 inactive since December 2014

Answer 2

Javascript contenteditable WYSIWYG editors list

Lightweight versions

• PunyMCE, from the authors of TinyMCE http://github.com/spocke/punymce
• NicEdit http://nicedit.com/
• WysiHat (Prototype) http://github.com/37signals/wysihat/
• widgEditor http://code.google.com/p/widgeditor/
• WYMeditor (jQuery) http://www.wymeditor.org/
• jWYSIWYG (jQuery) http://code.google.com/p/jwysiwyg/
• ggEdit (MooTools) http://code.google.com/p/ggedit/
• YUI Rich Text Editor – SimpleEditor (YUI) http://developer.yahoo.com/yui/editor/
• uEditor (jQuery) http://www.upian.com/upiansource/ueditor/en/
• Loki http://code.google.com/p/loki-editor/
• MooRTE (MooTools) http://github.com/siteroller/moorte/
• WMD – Markdown Editor http://wmd-editor.com/
• goog.editor (Closure Library) http://code.google.com/p/closure-library/
• (demo) lwrte (jQuery) http://lwrte.googlecode.com/
• wkrte (jQuery) http://wkrte.googlecode.com/
• jHtmlArea (jQuery) http://jhtmlarea.codeplex.com/
• TinyEditor (jQuery) http://www.leigeber.com/2010/02/javascript-wysiwyg-editor/
• dijit.Editor (Dojo) http://www.dojotoolkit.org/reference-guide/dijit/Editor.html
• CLEditor (jQuery) http://premiumsoftware.net/cleditor/
• wysihtml5 https://github.com/xing/
• WYSIWYG (jQuery) http://maccman.github.com/wysiwyg/
• Redactor (jQuery) http://redactorjs.com/
• SimpleHtml5Editor (ZeptoJs and coffeescript): https://github.com/TheOtherNet/simpleHtml5Editor/
• bootstrap-wysiwyg (jQuery) https://github.com/mindmup/bootstrap-wysiwyg/
• https://github.com/cheeaun/mooeditable

Heavyweights

• Aloha Editor http://aloha-editor.com/
• TinyMCE http://www.tinymce.com/
• CKEditor http://ckeditor.com/
• YUI Rich Text Editor – Editor (YUI) http://developer.yahoo.com/yui/editor/
• elRTE (jQuery UI) http://elrte.org
• Mercury Editor (jQuery, CoffeeScript, Rails) http://jejacks0n.github.com/mercury/