Zhong Framework is a high flexible and customizable template framework by Francesco Zaniol of accessible template for Joomla. You can use it with Joomla 2.5 and Joomla 3.0. It works also in the former editions, Joomla 1.6 and Joomla 1.7. The author realized this framework by observance of the WCAG 2.0 specifications. You can build liquid layouts for any device. A fine feature is the integrated night mode for mobiles, which display your layout with a black background and high contrast text. The download is free. Zhong Framework will be delivered with Font Size Tool and layout width switcher.
OMG Responsive Framework is OmegaThemes new template framework, based on Twitter's Bootstrap Grid, which allows you to realize templates with 12 columns and RTL language support. All module positions are flexible. You can set also different preset styles. A fine thing is the simple template file structure and the mega menu support. OmegaTheme developed a special OMG Menu system for this framework. Beside this, OMG Responsive Framework, is free. You can download it, after your registration, on developers website. OMG Responsive Framework is native to Joomla 2.5.