Alexander Agnarson rocks hard. I like his Blogstream theme.
MyWiki is a WordPress Theme for individuals and companies to manage their Knowledgebase or Support or Wiki or FAQ via WordPress website. Documentation and tutorial is available for free here: https://fasterthemes.com/ … Here is a site that I did in it.
- FAQ by Gerald at WPCustoms is similar
Clean and crisp
if you are looking for clean and crisp look then
- http://fimply.de/ has simple style
- coraline – https://wordpress.com/blog/2010/08/09/new-theme-coraline/