You can find it here: http://www.snowcovered.com/snowcovered2/Default.aspx?tabid=242&PackageID=9946&r=3fec196fdc

Introduction

This dnn module allows users to submit questions. Admin can assign roles that can ask questions and answer questions. An email will be sent to an email address when a new question is submitted. The user who asked the question will receive an email when the question is answered. FAQ can be displayed or hidden.

 Advanced FAQ 4.4 is built under DotNetNuke 4.5.0 and VS.Net 2005. It can work with DNN 4.5+ including the newest 4.8.1.

Features:

• Email Notifaction template.
• Support sub categories.
• Support import content from Core FAQ module.
• User FAQ submission: allow users ask questions.
• Email notification: An email will be sent to an email address when a new question is submitted.
• Questions can be moderated before published.
• The user who asked the question will receive an email when the question is answered.
• Role based: Admin can assign roles that can ask questions and answer questions.
• Inline answer edition: authorized users who can answer question can inline edit answers and need not go to another page.
• Display Order Settings: faqs can be ordered by question and date, asc or desc.
• Support Display Template: you can define template for normal users and template for admin users.
• Support Ajax: using Ajax to save loading time.
• Pageable: you can set page size.
• Categories: FAQs can be organized by category.
• Categories sub module: a sub module to control the FAQ display by category.
• FAQ search sub module: a sub module allows users to search FAQs.
  

The 4.8 version is here: http://www.snowcovered.com/snowcovered2/Default.aspx?tabid=242&PackageID=11597&r=3fec196fdc