Features:

• nice web 2.0 blue color;
• 3 columns;
• widget ready.

Demo | Link

Features:

• compatible with wordpress 2.7;
• Adsense ready;
• 125×125 px ads ready;
• featured posts;
• 2 columns;

Demo | Link

Clean, minimal, vanilla-style WordPress Shopping Cart Theme, made specifically for the free WP e-Commerce plugin.

Demo | Link

Manifest is a very simple and clear WordPress theme based on 1 column, 500 pixel wide, with no sidebars and no widget, very good for photoblogs.

Demo | Link

Igloo is a beautiful, simple, clean theme with cool design elements and nice use of colours.
Features: 3 columns, magazine style, pagination support, custom CSS and many more.

Demo | Link

BlueSkool is a blue, 2-column theme that has been designed to be easy on the eyes.  It supports dynamic sidebars and gives you the flexibility to add widgets.

Preview | Link

TypographyWP is a free clean 3 columns WordPress theme.

Features:

• Drop down menu
• Threaded comments
• Theme options
• Valid XHTML/CSS code
• Widgets ready – both sidebars and two spots in the footer
• Adsense ready – blends well with your content, increased CTR
• New tabs plugin
• Included and styled FlickR plugin – FlickrRSS
• Included and styled Twitter plugin – TwitterTools
• Caption for images
• No sponsored/hidden links
• Under GPL license

Demo | Link

It’s a simple yet appealing theme giving your blog impressive look by beautifully used icons, content and twitter widget integration which automatically picks 3 last tweets from your twitter account and displays it with animated effect achieved using jQuery. It is fully Wordpress 2.7 ready and well designed by every aspect such as search form buttons, comment area and quote style.

Features:  Widgetized Sidebar, Wordpress 2.7 Support, Fully Threaded Paged Comments, validated CSS/XHTML code, Twitter Widget Integrated, Transparent effect over static background.

Demo | Link

Compositio is a simple clean and user-friendly Wordpress theme with 2 columns and a unique light blue design.

Demo | Link