We used several modules and components in this template to allow us certain functionality. Some of these mods and components are free and some are commercial, but there is almost always a comprable free version of a module or component:

FREE
Twitter: JTweet by Joomla Bamboo. Download here
Blog: I Do Blog Free Version. Registration required. Download here
Photo Gallery: Phoca Gallery. Download here

COMMERCIAL
Google Maps: Yoomaps by Yootheme. Commercial.