Colorlib
Colorlib
http://colorlib.com/wp/free-wordpress-themes/
Eleganttheme
Eleganttheme
http://www.elegantthemes.com/
Sowmedia
Sowmedia
http://www.sowmedia.nl/category/wordpress/wordpress-themes
Themeforest
Themeforest
http://www.sowmedia.nl/category/wordpress/wordpress-themes
WordPress
WordPress
http://wordpress.org/themes/