If want more space, use this theme
If you like blue,try this backend theme
Manon: A clean elegant user interface designed for Odoo administrative interface.
Minn Business Theme
Elegant Module for Website Shop
Customised POS Interface, Works with and without Restaurant module.
Portfolio Website
Clean and simple black and white responsive theme
Sultan Business Theme
Theme Barclay is Odoo eCommerce Themewith Modern style, Extremely customizable, Clean and Fully Responsive.
Clean and simple black and white front-end theme.
Fully Responsive, Clean, Modern Odoo Business Theme
Theme Charlotte is Odoo Multipurpose Theme with Modern style, Extremely customizable, Clean and Fully Responsive.
An Ecommerce Theme
Theme Frozen
Theme Logo
Beautifully crafted, Fully customizable, responsive one page business theme.
Soroush Odoo 11.0 Website theme to customization possibilities