CKEditor - Real-time collaborative future-ready rich text editor
Aloha Editor - Aloha Editor is an HTML5 WYSIWYG Editor that gives you a total new experience when editing.
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
AlloyEditor - Modern WYSIWYG editor built with a sleek React UI on top of CKEditor
Trumbowyg - Feature-packed WYSIWYG editor in only 15kB of JavaScript
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.