JVGTheme realized Classic2-J on Warp Framework and deliver it with 7 different style variations, 9 colors and 10 fonts. You can combine 1 module style with 4 badges and 6 icons. Its layout comes with a flexible column- and module width. Its ready for desktops and mobiles. JVGTheme provide Classic2-J in a free version, you can also get a commercial version with all features. The download is available on developers website. Its native to Joomla 2.5 and Joomla 3.1.

ST Business is best suitable for business websites with Joomla 2.5. Beautiful Templates provide this free template with quickstart package and demo files. Its layout comes with widescreen image slider support, 6 module styles, a special typography and K2 support. You can define your favorite style by the integrated style switcher in frontend. You can download this template for free with limited features. If you want to use this template with all features, try one of two provided commercial versions.

With Mootools Enabler/Disabler, you decide, if Mootools will be loaded on your website, and that saves up to 600 kb bandwidth. Although it is included in the Joomla package, you don't needed in most cases. The installation and handling is very easy. You can add all components, which use Mootools, directly in the plugin manager and disable it for all other. The download is free. Mootools Enabler/Disabler is native to Joomla 2.5 and Joomla 3.0.