Abbas S

This plugin gives you an URL on which random posts from all your posts are shown.

displayrandompost

This plugin gives you an URL on which random posts from all your posts are shown.

Eric Zeidan

Show_Random_Post allows users to show posts by category on a widget on a timed loop automatically.
Major features in Show_Random_Post include:
<ul>
<li>Add a a Widget to your Theme.</li>
<li>Show post by Category on a loop, that loads via AJAX.</li>
<li>Can set time of loading to 10, 30, 60, 120 seconds.</li>
<li>Can create so much widgets as you want.</li>
</ul>

Show_Random_Post

Show_Random_Post allows users generate a Widget that automatically shows posts by category on a timed loop automatically.

displayrandompost vs Show_Random_Post