SaaS

(à développer)

CRM
http://www.salesforce.com
http://www.vtiger.com/crm

ERP
http://www.openpro.com
http://www.slapos.org

eCommerce
http://magemojo.com
http://www.sitepoint.com/more-hosted-shopping-carts-bigcommerce-and-volusion

CMS
un paquet . . .

Discussion

http://en.wikipedia.org/wiki/Software_as_a_service
http://en.wikipedia.org/wiki/List_of_content_management_systems#Software_as_a_service_.28SaaS.29