KnowledgeBuilderKnowledgeBuilder is a professional knowledge base / FAQ solution. Save your time with customer support questions. Increase your customer service by having 24/7 help desk. Features include: Unlimited categories/levels, unlimited articles, multiple admin users with individual settings, customize the look/design to integrate with your existing site, allow users to comment on articles, article ratings, web based setup in under 5 mins, visual text editor, full text search, and much more.