Software as a Service (SaaS) is a software distribution model where applications are hosted by a vendor or service provider and made available to customers over the internet. Coursera's SaaS catalogue teaches you about the architecture, development, and management of SaaS applications. You'll learn about multi-tenancy, scalability, data privacy, and integration with other services. Gain an understanding of deployment models, subscription pricing, customer support, and how to build SaaS applications using cloud computing platforms. By mastering these skills, you'll be able to design, develop, and manage effective SaaS solutions that meet business needs and drive digital transformation.