mortalis

The button and shortcut toggle the preformatted style on the selected text or the current line. It uses the same command as the Pre item in the Formatting list in the toolbar.

TinyMCE Pre Button

Adds the Pre button to the TinyMCE toolbar and the shortcut Ctrl+0 to format text with <pre> tag

Kyle Theisen

Dashy gives you a search field to get to admin pages quicker. More keyboard shortcuts right inside of WordPress. Get to pages, post, plugins, custom post types, faster. You can even search and get a to single post with the keyboard. To activate, use Control+Space.
To get to a specific page, type “list” and choose “List Pages”. From there you will be showing all of your pages that you can edit. Start searching the page name, and hit enter to go directly to editing that page. This supports posts, pages, and custom post types.

Dashy

Dashy gives you a search field to get to admin pages quicker.

TinyMCE Pre Button vs Dashy