Software as a service (SaaS) also referred to as web based software or on demand software, is a software delivery technique, under which the applications are delivered over the Internet. So, there is no need of hardware or software maintenance and management. One can simply access the softwares and its related functions with the help of Internet.

The users need not install the software and thus are also not required to pay for it. Instead, they can use the software and pay the rental according to its usage.

The software is effective in delivering unswerving and secure services to the businesses, thereby ensuring complete security of data and information.

Some of the prime features associated with SaaS can be defined as follows:

-Decrease in costs: Saas services are cost effective, as the SaaS providers own the software and the cost of using the software is split among all the customers who are availing the services. Moreover, it provides an opportunity to small businesses as well to use these services, which otherwise is not possible for them due to high license costs.

-Ready to Use: The software is ready to be used by the customers, as the applications are already configured and installed by the SaaS service providers. Thus, it saves onto the installation time and provides a ready platform for application usage.

-Scalability of resources: The users have the flexibility of scaling up and down the resources, as per their usage. The users do not have to purchase the new software or the server. Instead, they can enable a new SaaS offering as per their fluctuating requirements.

-Ease of Upgrade Installations: The users need not install and configure new updates on the softwares. The software is timely upgraded and the new releases are automatically installed by the service providers, which are instantly available to the customers for use.

SaaS has emerged as an effective software delivery mechanism which renders software services on pay per use basis and has become a feasible option for many businesses.