Google Apps or Google Applications are a set of web applications that aim to encourage co-operation and collaboration among internet users and business users. The primary motive of Google Apps service is to make all the information on the web well organized and easily accessible. Many small business, educational institutions and nonprofit organizations have benefited enormously from Google Apps service.
Google Applications Feature
Google Apps Email on your own Domain Name: Email with up to 25 GB of storage per custom email address, mail search tools and integrated chat.
For more details http://www.google.com/apps/intl/en/business/messaging.html#mail
Google Calendar: Coordinate meetings and company events with sharable calendars.
For more details http://www.google.com/intl/en/googlecalendar/about.html
Google Talk/Video: Free text,voice and video calling around the world.
For more details http://www.google.com/talk/about.html
Google Docs: Create, share and collaborate on documents (Word & Spreadsheets) in real-time.
For more details http://www.google.com/google-d-s/tour1.html
Google Sites: One-stop sharing for team information.
For more details http://www.google.com/sites/help/intl/en/overview.html