There are thousands of plugins and themes you can use to extend WordPress. You'll find most of them in the official plugin repository at
wordpress.org/extend/. I've provided URLs only for those plugins that can't be found easily by searching Extend for their names. See Chapter 3 for information on installing and configuring plugins.
Editing: Inline, Rich Text, Reusable Content, and Attachments
Front End Editor and Inline Editor allow posts and pages to be edited without having to enter the dashboard.
TinyMCE Advanced allows you to add a number of buttons to the rich text editor, including a complete set of table buttons.
TinyMCE Excerpt provides the rich text editor for the excerpt field. It does not have a visual/HTML switch ...