Jetpack already provides you a module for After the Deadline proofreading service for improving your writing via artificial intelligence to find your errors and offer smart suggestions. It also provides a number of customization options which you can easily set from your profile (Dashboard -> Users -> Your Profile).
WYSIWYG Visual HTML Editor & Drag And Drop Web Page Editor With CKEditor, Desktop Publisher For WordPress is a powerful WordPress Plug & Edit HTML Editor based on 3D page building design with height, width and depth.
You can use a separate theme in your site Home Page, Individual Posts & Pages, Post & Page Archives and other non-admin areas of your WordPress based website. Earlier we discussed about a WordPress plugin that allows you to assign a custom theme to individual posts and pages.
Drop Caps is an old WordPress plugin that many bloggers use for making the first alphabet larger than the normal font size of your website content. It works for posts, pages and comments Although the plugin hasn’t ben updated in over 2 years but still it works fine in latest WP release i.e. 3.5.1 . I have already check it and it is working fine. The plugin comes with some cool CSS styling and lots of other options.