The Spring by MandarinMusing is a two column fixed width theme in green with a “rosy” header.
BlogCut has released two free WordPress Themes, “Sunflower” and “Refueling”.
X-Caliber is a simple widget ready, two column theme for WordPress.
NonPro565 is a two column, fixed width, widget ready WordPress theme by Ekta Paneri, based on 565 by Douglas Bowman.
Blossom is a two column, widget compatible based on a template by Free CSS Templates.
Wiii is a two column, fixed width theme by Peterandrej inspired by Nintendo Wiii.
Small Potato has released a set of new themes.
Mollio Type B is a two column, top menu, left sidebar, widget ready theme for WordPress from Kaushal. Demo here.