Currently there are a lot of discussions on whether AI and Agentic AI are going to disrupt the SaaS industry. Let us take a look at history to see how SaaS disrupted the traditional software business. Here are two of the most prominent examples of traditional software powerhouses that were decimated by the rise of SaaS. 1. Siebel Systems (Replaced by Salesforce)  In the late 1990s, Siebel Systems  was the undisputed king of Customer Relationship Management (CRM) software. The