The vast majority of people posting content on the web don’t even know what the difference is between an h1 and an h6 is so why do they need to have a bunch of HTML tags available? Well, they don’t really, nor do they need the ability to edit HTML and other more advanced options.
With jQuery Notebook they will simply write some text, highlight it, and then select from a small list of formatting tools. It’s a nice little alternative when it makes sense for your audience.
More Info & Download
You can get more info and download the library here