Emerald is a free WordPress theme suitable for blogs and business websites alike. It was designed as an all-in-one solution for WordPress users. Emerald can help you make the most of your online content and maximize your profits. It has dozens of customization options that you can use to make the design your own.

Here are some of it’s main features:

- 5 beautiful skins: green, red, yellow, purple, orange
- Clean and optimized code
- Fully responsive. Looks great on all screen sizes
- Compatible with all modern browsers
- Table-less and image-less design. Everything has been done with CSS
- Easy to use control panel
- Responsive slider for homepage
- Custom page templates for full-width pages and static homepage
- Supports all the important WP 3+ features including drag-and-drop menus and custom background

Above all the theme is 100% free and open source which means you can change it any way you want.