Eco Tree is free template with 3-column layout. About page features different columns. Blog post includes comments with multiple levels.
Simplex is free responsive template based on Bootstrap 3.0.0 and this layout works on both mobile and desktop devices. Simplex
Blactro is easy website layout based on Windows 8 metro style UI. Horizontal sliding transition is applied for changing pages. Blactro
Catalog theme is a HTML5-CSS3 template based on Twitter Bootstrap (version 3.0) that can work in any screen size and mobile devices. Catalog