Pilgrim is available for download it comes with custom menu, widgetized sidebar, featured images, jQuery image slider and custom homepage template. This is a unique WordPress theme with an elegant layout.
Clean Retina will be a better WordPress theme for your news or magazine website. If you never experienced retina display theme you should try this. It will be impressive and friendly for the users. WordPress themes are converting to Retina display so this Best Free WordPress theme for 2013 will be a good initial for your WordPress platform.
The Europiumite WordPress theme comes with multiple slideshow features. It is very easy to upload your site logo on the header of the homepage. This theme is WordPress MU compatible and easy to customize for new users. This theme will be best for personal blogs and niche related blogs.
Prado is stylish an eye catching WordPress theme with the iPad slider design that will be perfect for your mobile or technology website. There are different default pages available on this theme that needs less customization work.
Ureeka specially developed for book review websites. A special script used in this theme that look like opening a book when mouse pointer comes to image. This theme needs very less customization work you just need to install, perform important customization and start working, this would be the Best Free WordPress theme for 2013.