Artof Editor is a WYSIWYG plugin for Joomla based on the very popular CKEditor. It is up to date with version 3.6 of CKEditor.
This plugin gives you the ability to select a different editing toolbar for frontend and backend users and several other features. This is a simple editor but my personal favourite to use with Joomla, particularly if you are writing technical articles with code snippets, and does not suffer from some of the feature bloat compared to other editors (like JCE). It's simple, it works and it's free.
I am using this on a Motorcycle community web site, and lets just say these folk are not tech savvy. So far the response has been very positive. Easy to use, clean layout, and good features. Most of our writers like to use MS word to write their articles, then copy and past into the web site article. In the other editors I tried, the pasted content was always formatted wrong, with this editor there is a special MSWord past icon that works.
Another great feature I liked was how easy it was to customize the buttons separately for the front and backed-end. I know that JVC you can edit the button layout but not as easy.
I am also digging the 3 style options. Very well done.
As a whole again you can not seem to go wrong here.