Simple Plugin to let your users ask questions.
QUIZ MAKER plugin allows you make unlimited number of quizes
The Surveys Extended WordPress plugin lets you add surveys to your blog.
Deprecated — Welcome the visitor of your website with a survey.
Bootstrap FAQ plugin integrated with Custom Post Type. Shortcode [ak_bootstrap_faq].
YATCP allows you to have threaded comments (i.e. reply to existing comments) in your wordpress.
Display your FAQ list, glossary, or any short content instantly, improving communication with your users.
Create Quiz and show it on you page or post using shortcode. Show result page on basis of score.
antispam question for signup and comment forms of wordpress, set by admin, supports Multisite mode
Create interactive tutorials for your WordPress Users. This relies on the native WordPress Pointers API!
Add a powerful FAQ & Knowledge Base on your WordPress Blog or Website. Powered by Casengo.
Pollin wordpress plugin will let you create and add polls to your blog. It can be shown to your visitors who will be able to vote in the poll.
Jibu Pro: the WordPress exam system.
Connect Inline Manual with your WordPress.
Manage survey for making evaluation on post types in wordpress / Gestion de formulaire pour réaliser des audit sur les post type dans Worpress
A simple, light and user friendly plugin that lets you create and manage FAQs for your WordPress websites.
Plugin to encode/decode and display content using the ROT13 cipher.
Create a simple and comfortable to use custom FAQs for your site.
Answrly lets you charge your users for your knowlege. Don't give your advice away for free.
Email notification for Question Answer
Makes an intern game with subscrimers of your blog/site. Make pools and give to theyrs a value: users can vote in it. When you decide, close the pool.