Many businesses have knowledge base portals for their employees and customers. Creating one with WordPress is not that hard if you get your hands on the right themes and plugins. The Altera Knowledge Base theme happens to be a clean theme designed just for knowledge base portals. It offers live search, 10 custom widgets, and plenty of other useful features for these types of websites.
The theme is ready for Retina devices. Its live search makes it easier for your visitors to find what they are looking for. It does have a FAQ post format, so you can organize questions and answers more easily. The theme is powered by the REdux Options Panel, so you can modify your theme quickly. It has 10 custom widgets, 15 widgetized areas and bootstrap support.
The Altera theme is good looking and easy to customize. It offers various features to save you time bringing your knowledge base site online. This is a premium theme.