There are 8 layouts listed on this site.
Free
Simple layout for photo galleries, portfolios, and more.
Free
Sidey is a simple and minimalistic Jekyll blogging theme, ported to Mecha.
Free
Two columns blog layout with old paper background.
Free
A classic fixed-width layout with an open nature theme.
Free
A stylish, responsive blog theme for Bootstrap.
Free
Contrast is a simple blog theme with a nice clean design.