Most aplications are free or can be tested for free. Email marketing, application for customer relations management, managing projects, online design tools…
Supported versios:
Standard, Premier and Education

Supported languages:
US English

How to access:
– click on the link http://www.google.com/appsmarketplace
– pick an application from categories project management, CRM, or email marketing
– confirm by clicking ‘Add it now’