andrew-anderson

Major new features in WP-FAQ:
<ul>
<li>Easily add an FAQ in a page or a post</li>
<li>You can insert Text, Audio, Images, Maps, Contact Forms, Photo Galleries or even Video answers</li>
<li>Subdivide questions and answers into Categories</li>
<li>It is flexible in size to fit any size Website or Blog</li>
<li>Change the color scheme with a click of the mouse</li>
</ul>

WP-FAQ

Provides a professional looking FAQ or Frequently Asked Question area for your website.  You can have it up and running in less than 1 minute!

Timo Schiller

Kilomoana

This Plugin allows you to include a simple Textbox through which your site visitors can ask you short questions. 
You can answer them through the backend.
See it in action at: (http://kilo-moana.com/ask-me-wordpress-plugin/)

Ask Me

Great !

Simple Plugin to let your users ask questions.

WP-FAQ vs Ask Me