organization in the cloud": Google Apps , Zoho , NetSuite , Salesforce.com , Microsoft , SAP , IBM (Lotus) , Apple ( iCloud ), Facebook, Oracle , Novell Yahoo! , etc . Interoperability will remain a challenge. In terms of FOSS: Adaxa's complete enterprise offering http://www.adaxa.com/page/explore-adaxa%E2%80%99s-complete-enterprise-offering OpenERP http://www.openerp.com/ Kablink http://www.kablink.org/ EyeOS