The default Redmine text formatting options are Markdown and Textile. Some users may have trouble learning syntax for these options. To improve user experience for non-technical users who would expect a WYSIWYG (What You See Is What You Get) text editor instead of the standard Redmine editor, you can replace it with CKEditor through a plugin.
Server administrator access is required.
The requirement for this plugin is ImageMagick, to install it, refer to the Installing optional requirements recipe from Chapter 1, Installing and Running Redmine.
Plugin installation is pretty simple, as follows:
git-clone the plugin from following location: git clone ...