What is SaaS? The modern way to run software

One of the most popular forms of cloud computing is software-as-a-service (SaaS), defined as a software distribution model in which a service provider hosts applications for customers and makes them available to these customers via the internet.

SaaS is one of the three major categories of cloud services, along with infrastructure-as-a-service (IaaS) and platform-as-a-service (PaaS).

Given its ease of access, SaaS has become a common delivery model for many types of business applications, and it has been incorporated into the delivery strategies of enterprise software vendors.

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