Altera – is a Helpdesk/FAQ/Knowledge Base WordPress theme. Clean and intuitive design with a tons of features & options: live search, widgetized areas, faq post format, bbpress integration, shortcodes and much more. Altera is a simple way to create your own Helpdesk/FAQ/Knowledge Base of information, with no technical knowledge or expertise required!
Demo: http://themeforest.net/item/altera-knowledge-base-wordpress-theme/8934997