It's a way of delivering applications over the Internet—as a service. Clients can access and use the software, typically through a web browser.
History of SaaS:
The concept of Software as a Service (SaaS) has been around for more than 2 decades. Early examples of SaaS include email services, such as Hotmail and Yahoo! Mail.
Future of SaaS:
The SaaS model has already had a major impact on the software industry, and it is likely to continue to grow in popularity in the future.
How SaaS is Growing?
One of the biggest trends in the SaaS industry is the move to subscription-based pricing. This is where customers pay a monthly or annual fee to access a SaaS application.