SaaS (Software as a Service) is said to an on demand application or software deployment model where user can license access of an applications as service. The software applications can be accessed from the Internet through standard web browser and be deployed as a hosted service. The software or application runs on the web servers of the service provider.

The service ensures that providers are able to support a large number of customers with a single version of a product. The SaaS is offered through business model that is based on the pay-as-you-go method where customers subscribe applications instead of purchasing them.

The SaaS model claims to provide a lower cost of ownership as compared to the conventional on-premise enterprise software delivery model. The global economic slowdown has created an opportunity for the growth of SaaS. The credit crunch enterprises and small & medium companies are opting SaaS model as an cost effective alternative by making installment based payments. The tough economic conditions have resulted in the growth of the SaaS market which provides option of accessing a software as a service instead of implementing the software. Thus, probably the companies adopting new technologies to differentiate themselves can substancially reduce cost through adoption of software by SaaS model.

The report by TechNavio Insights forecasts the market size of the Global SaaS over the period 2009-2013. Further, the report discusses the SaaS market segmentation by geography and technology. It also identifies the market trends, drivers, and challenges existing in the Global SaaS market.