Our detectives are back with the following intel on this WordPress site
The site is using the Spacious theme by ThemeGrill .
We could identify 4 plugins (there might be more) - bbPress , BuddyPress , Contact Form 7 and The Events Calendar
Spacious is an incredibly spacious multipurpose responsive theme coded & designed with a lot of care and love. You can use it for your business, portfolio, blogging or any type of site. It has 4 page layouts, 2 page templates, 4 blog display types, 13 widgets areas, 5 custom widgets focusing on business template, awesome slider, primary color option to match your logo & website, boxed & wide layout, light & dark color skin, translation ready and many more. You can get free support in http://themegrill.com/support-forum/ and check the demo at http://demo.themegrill.com/spacious/.