Joby Joseph

A simple navigation plugin which helps users to move backward and forward posts using arrow keys or buttons. It is developed after getting inspiration from makeuseof.com post pages. The plugin will show navigation buttons only on single post pages. On hovering the button, next/previous post details are shown in a neat box.
Visit <a href="http://www.jobyj.in/wordpress/jj-wp-easy-navigation-wordpress-plugin" title="jj-WP Easy Navigation" rel="nofollow ugc">Plugin Home Page</a> for more support.
<a href="http://www.jobyj.in/wordpress/jj-wp-easy-navigation-wordpress-plugin" title="jj-WP Easy Navigation" rel="nofollow ugc">View Demo</a>

jj-WP Easy Navigation

Easy Navigation to next and previous posts using arrow keys or navigation buttons.

seamonsterdeneb

Crow’s Nest Menu Navigation adds the ability for visitors using keyboard navigation on the site to use the arrow keys while in the menu. Thus, rather than tabbing all the way through all dropdowns to get through the menu, visitors can use the right and left arrow keys to see what is in the dropdowns, and then the down and up arrows to navigate to the desired item.
<h3>Donations</h3>
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Crow's Nest Menu Navigation

Adds the ability for visitors using keyboard navigation on the site to use the arrow keys while in the menu.

jj-WP Easy Navigation vs Crow's Nest Menu Navigation