Orbit is a resposive free theme. It comes with 9 widgetized areas, 3 different page layouts, image slider in Front Page, Google Fonts, Social Networking links and free support in English and Spanish: http://bitado.com/soporte-orbit/
Tag: Green
Opus
A theme with personality for those who have stories to be told.
Optimize
Optimize as name tells every thing completely optimized for search you will get 90+ page speed H1 and H2 Title Tags on page and posts WooCommerce Supported for eCommerce website. Google Adsense ready template show ads in single post, header or below navigation and widget as well. This is fully optimize style best for any kind of personal blog or business website it comes with Responsive design to increase mobile friendly.Fully featured control panel that support favicon link. Live working Demo http://demo.baztro.com/optimize/
Opor Ayam
WordPress theme which are arranged in order to welcome the big day of Islam, Idul Fitri 1430 H. This theme very nice for personal blog with two columns, right-sidebar and fixed-width. Compatible with WordPress 2.8. Valid CSS & HTML. Design by iznyn and released under GPL.
Onetake
Onetake is a one page HTML5 & CSS3 responsive business theme that displays all the essential features of your website on the home page. It have a very interesting and useful concept by showing you concise information on a single page, and having there everything you need about that website and nothing more which is really good if you don’t want to waste time and be effective instead. Onetake is a professional and outstanding responsive business One Page WordPress Theme, which is based on Bootstrap 3 & Font Awesome 4. Theme has fullscreen background with video support from YouTube ( video background for homepage sections ) and Awesome Slider. You can create a single-page-style front page for your WordPress site with autogenerated content and JavaScript scroll navigation or personal blog. You can check the demo at http://demo.hoosoft.com/onetake/.
One Page Scroll
One Page Scroll is a one page responsive WordPress theme built using the Twitter Bootstrap framework and retina ready Font Awesome icons integration. One Page Scroll also uses the Options Framework plugin with extensive theme options which lets you set custom logo, favicon, typography and more. Choose from four predefined sections and build the homepage that best suits your company, you can sort the section order by simply drag & drop with the fantastic control panel. Each of the homepage sections can have a parallax background image and its own set of colors. It designed to easily display your photo albums use WordPress gallery shortcode. You can not only use it to create a singlepage-style front page for your WordPress business website, but also create your personal blog easily. You can check the demo at http://demo.hoosoft.com/one-page-scroll/
OM Connect
A responsive, customisable theme with a clean, sleek layout. Based on the Connect theme with permission from Organic Themes
office
A very neat and clean green and white responsive business theme. The theme supports widgets. And features theme-options, threaded-comments and multi-level dropdown menu. A simple and neat typography.
Oenology
Oenology is designed to be a simple, minimalist, yet feature-complete and fully documented Theme intended to serve as a base for child Themes and as an educational reference for Theme development using WordPress functions, action/filter hooks, and template tags. Oenology includes built-in breadcrumb navigation, and supports the Customizer, Custom Logo, Post Formats, Navigation Menus, Post Thumbnails, Custom Backgrounds, Custom Image Headers, and Custom Editor Style. Oenology features a responsive design, and includes plug-and-play support for the WP-Paginate and Yoast Breadcrumbs plugins. Requires WordPress 3.5, and is compatible up to WordPress 4.5.
NuvioLiquid Green
This template NuvioLiquid Green is simply and very useful. Template is a fully responsive theme that looks great on any device. Make it yours with a custom menu, header image, and background.