One week^† into its public launch, the Google Apps Marketplace has just under 1,500 (enterprise) apps. Combined with Salesfore.com's app exchange (also with over a thousand apps), enterprises interested in moving to cloud apps have an increasing number of software tools to choose from.

Popular apps (measured in terms of # of installs) includes graphic design and office integration apps (aviary design suite and offisync), a collaboration and project management tool (manymoon), a free travel planner (tripit), a basic ERP app (myerp.com), and a CRM application (Zoho CRM).

The typical supplier has about 2 offerings in the Google Apps Marketplace. Below are the suppliers with the most number of unique apps: