Software as a service - Wikipedia
https://en.m.wikipedia.org/wiki/Software_as_a_service
Software as a service is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SaaS is also known as on-demand software, web-based software, or web-hosted software. SaaS is a business model specific to cloud computing, along with infrastructure as a service (IaaS) and platform as a service (PaaS). SaaS apps are typically accessed by
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