wangEditor , this is a very lightweight, simple editor
UEditor : Baidu front of the open source project, powerful, based on jQuery, but no longer has to maintain, and defines a back-end code, modify more strenuous
WYSIWYG-Bootstrap : miniature, easy to use, small and beautiful, just Bootstrap + jQuery ...
KindEditor : powerful, concise code, you need to configure the background, but I have not seen updated
wangEditor : Lightweight, compact, easy to use, but after upgrading to 3.x, not easy to customized development. However, the authors very hard, in a broad sense and I are a family, make a call
Quill : function itself is not much, but you can expand on their own, api also easy to understand, if you can read English, then ...
summernote : no in-depth study, UI pretty, is a small but beautiful editor, but I need a big
tinymce before and after the only word coming from a paste form can keep most of the end of the separation editor