Hoststacker includes fine styles for a lot of extensions, like K2 Content, Youdeveloper News Slider, YJ Module Engine, YJ Latest Tweet and YJ Plans Extended. You!Joomla build it on their YjSimpleGrid Framework, which comes with YJSG Template Manager, YJ Mega Menu and 5 pre-defined styles. Hoststacker is ready for Joomla 2.5, Joomla 3.0 and Joomla 3.1. It works also in the former version, Joomla 1.7. The download is commercial. You can use it best for hosting websites.
You!Joomla present Convalis, a responsive blog template for Joomla, which is native to Joomla 2.5, 3.0 or 3.1, and works also in the earlier edition Joomla 1.7. Convalis works on Rock Solid Framework, which is cross browser compatible, supports RTL language and includes 5 menu types. Its source code based on LESS CSS and HTML5, so the template loads thereby very fast, which is positive for SEO. You can include unlimited fonts and create beautiful content by the delivered extensions, YJ Multitabs, Shadow Slider, YJ Latest Tweets, YJ Module Engine or YouYork Module Slider. The download is commercial.
Proapps is a great template for Joomla technology websites. You can use it in contemporary Joomla versions, Joomla 2.5, Joomla 3.0, Joomla 3.1 and the earlier Joomla version, Joomla 1.7. You!Joomla create this theme on YjSimpleGrid Framework. Custom modules, like YJ MultiTabs, YJ Module Engine and YouYork Module Slider, allows you to integrate unique content in your website. Also K2 will be supported. Furthermore, Proapps comes in cross browser compatible mode and includes unlimited Google font types, Unlimited @font-face kits and 15 CSS font types. The download is commercial.