Believe Creative

BC Forum is a custom forum plugin for WordPress that supports threaded questions and answers. Features include: 
– AJAX-based comment submission 
– Multi-level replies 
– Admin approval system 
– Custom styling and templating support
Perfect for community-driven websites, educational platforms, or support portals.
<h3>License</h3>
This plugin is licensed under the GPLv2 or later.

BC Forum

A powerful forum plugin for WordPress, developed by Believe Creative, enabling question-and-answer discussions.

Evgeniy Kutsenko

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. 
This plugin is not a dependent version of the plugin <a href="https://wordpress.org/plugins/askme/" rel="ugc">Ask Me</a>.
See it in action at: (<a href="http://wp.starcoms.ru/qa-plugin/" rel="nofollow ugc">http://wp.starcoms.ru/qa-plugin/</a>)

Simple Q&A

Simple Plugin to let your users ask questions.

BC Forum vs Simple Q&A