There was a time when customizing enterprise software was a long, drawn-out, often painful affair. Then along came Software as a Service, recalls Dan Druker, senior vice president for Intacct, an on-demand financial management and accounting application. It was really easy for Ingres — a provider of open source database software and one of his company’s early clients — to integrate and then customize a joint Salesforce.com-Intacct implementation.
