Neuro is a free WordPress theme by CyberChimps.com. Neuro is a clean easily customizable HTML5 design, theme options, the Neuro slider, dynamic header for custom logo, social icons, social sharing, contact section, widgetized sidebar and footer, typography including Google Fonts, and multiple template choices.
There is also a paid for premium version, Neuro Pro.
Neuro Pro is a premium version of Neuro that includes advanced design options allowing anyone to select their own menu, and link colors, more beautifully designed background images, a full-width Neuro Slider, Twitter bar, business ready layouts, Import / Export theme settings, Google Web Font support, a callout section, more widgetized areas, and still maintains the same user friendly settings found in Neuro.
Theme homepage: cyberchimps.com/neuro/
Download and info: http://wordpress.org/extend/themes/neuro