Kroud – Simple and Easy FAQ Building Tool
http://kroud.co/

Kroud lets you build interactive FAQ pages for your business. Easily post questions & answers and engage with your community. A large percentage of communities lose their members because there is a distinct lack of user engagement. Kroud helps you reconnect with your members by facilitating relevant Q&A and providing powerful social networking tools around a topic. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.