Simditor is a browser-based WYSIWYG text editor. It's based on jQuery.
ContentTools is a javascript library for building WYSIWYG editors for HTML content.
Azexo Composer is JavaScript library for user friendly front-end content editing of HTML pages. It is based on jQuery, jQuery UI, Underscore and Bootstrap.
Azexo Composer uses client JS for render of HTML to work faster and save server resources.
freshereditor is an html editor built base on the jQuery ContentEditable plugin with the following improvements:
Redactor is a free javascript program for writing texts on the web. Redactor using the jQuery library. Support for all major browsers.
jQuery TE - jQuery Text Editor, a HTML editor with WYSIWYG model and in fact this jQuery plugin. jQuery Text Editor is very easy to use and have functional system. In addition, you can customize to the your text editor if you wish.