From the site:

Bosa is a calm, serene theme developed for WordPress.

From the site:

Treba is an clean, smart theme developed for WordPress.

Treba is a 2 column theme. The main post column is white and highlighted. The right hand sidebar is merged into the beige background.

Gespaa is a single column blue gray theme.

From the site:

Gespaa is an attractive, smart theme that was originally designed for private use on this very blog.

An elegant and subtle theme based on the Photanical theme by Theron Parlin. Has a static header and a primary link bar.