Software as a Service (SaaS) What is Software as a Service (SaaS)? Software as a Service (SaaS) is a cloud computing model that delivers software applications over the internet, eliminating the need for local installation or maintenance. Explanation SaaS platforms provide users with access to applications via web browsers, with updates and infrastructure managed by the service provider. This model is ideal for scalability and cost-effectiveness. Practical Example of SaaS A company uses a SaaS tool for customer relationship management (CRM), enabling employees to access data from anywhere without managing on-premise servers.