Blue Grey White is a clean, clear, light and readable theme with a modern header and shadows.

Minimal Stream is a minimal WordPress theme that supports asides, galleries, and status formats.

Revista is a very clean magazine/blog style WordPress theme that comes with an Apple Leopard Inspired space header and a slick gray color scheme.

TwentyTen Extended is a child theme of the default WordPress theme TwentyTen with ThemeKit for WordPress integrated so that users have the option of changing the theme styles without editing any code.

ChaosTheory is a dark single-column theme with a minimal, techy feel.

Ghostbird is a blue, beige, and red one-column theme for WordPress.

Nelson is a fairly minimal design that should be easy enough to customize to your own liking.

TwentyTen Five is a variation of the TwentyTen Theme with many modifications.

Bangkoo is a free e-commerce theme designed with a furniture store in mind.

Rion is a dark style BuddyPress theme with cufon custom fonts, flickr support, and an options panel.

Se7en is a magazine style BuddyPress theme with custom fonts and a beautiful jQuery fullwidth slider.

Azul is a really clean and modern free WordPress theme that comes with many premium-like features and a very clean-coded back-end. Ideal for all sorts of blogs.

Lempong is a unique WordPress theme with a coin slider.

tweaker3 is a theme specifically built for those who love tweaking their own themes. Open, clean and quick-loading design with a wide sidebar on the right.

zeePersonal is a dark 2 column theme with great features, like Custom Logo, Custom Font Color via Colorpicker, Content Slider, and more.

Minimal Georgia is a sweet multi-color theme filled with Georgia goodness, including two columns, widgets and menus.

Supermodne is a modern, clean and clear theme. Designed for blogs and portals about fashion and women.

Anton is a very clean yet bold WordPress theme that is perfect for all sorts of blogs. It comes with a gray and red design and has been enhanced with some good premium-like features.

Europe is clean, simple and stylish.

Minimal is a very simple theme that should be easy to extend with your own styling should you want to. It has 3 widget areas in the footer for extra links and a navigation area in the header.

Ari is a minimalistic, flexible three-column blog theme. The theme makes use of CSS3 media queries for its flexible layout and is optimized for tablet pcs and smart phones (the theme switches to a two-column layout when viewed on a horizontal iPad screen, and to a one-column layout on iPhones).

Pink and Purple has an esthetic tab menu in the header, with a modern background, and is widget ready.

zeeReputation is a clean two column theme for personal blogs with several features: Custom Logo, Several Color Schemes, Custom Color via Colorpicker, Content Slider, 125×125 Banner Widget, Dropdown Navigation, Google Analytics Integration and more.

Keep Calm And Drink Tea is a grunge type theme with a retro based feel.

Minimo is a next generation WordPress 3.1 theme that comes jam-packed with all the awesome new wp features. Plus, it has a clean and minimal design perfect for all sorts of blogs.

Pongsari is a simple and clean WP Theme, modified from TwentyTen.

Simple Blog is a theme for those that want a super clean and simple blogging solution while still keeping some premium-like features.

zeeMagazine is a clean two column theme in magazine style with great features: Costum Logo, Colorpicker, Content Slider, Shortcodes, Dropdown Navigation and more.