"SaaS" redirects here. Not to be confused with Security as a service.
Software as a service (SaaS/sæs/[1]) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted.[2][3] SaaS is also known as on-demand software, web-based software, or web-hosted software.[4]
SaaS is a business model specific to cloud computing, along with infrastructure as a service (IaaS) and platform as a service (PaaS).[5][6]
SaaS apps are typically accessed by users of a web browser (a thin client). SaaS became a common delivery model for many business applications, including office software, messaging software, payroll processing software, DBMS software, management software, CAD software, development software, gamification, virtualization,[7] accounting, collaboration, customer relationship management (CRM), management information systems (MIS), enterprise resource planning (ERP), invoicing, field service management, human resource management (HRM), talent acquisition, learning management systems, content management (CM), geographic information systems (GIS), and service desk management.
SaaS has been incorporated into the strategies of nearly all enterprise software companies.[8][9]
^Panker, Jon; Lewis, Mark; Fahey, Evan; Vasquez, Melvin Jafet (August 2007). "How do you pronounce IT?". TechTarget. Archived from the original on 28 November 2016. Retrieved 24 May 2012.
^Turner, Brian. "What is SaaS? Everything you need to know about Software as a Service". TechRadar. Archived from the original on 25 June 2020. Retrieved 4 August 2020.
^"Definition of Software as a Service (SaaS) - Gartner Information Technology Glossary". Gartner. Archived from the original on 29 September 2020. Retrieved 4 August 2020.
^"What is Software as a Service (SaaS): A Beginner's Guide - Salesforce". Salesforce.com. Archived from the original on 2018-09-27. Retrieved 2018-09-27.[unreliable source?]
^Chai, Wesley; Casey, Kathleen. "What is SaaS (Software as a Service)? Everything You Need to Know". Tech Target. Archived from the original on 2022-03-24. Retrieved 2022-03-24.
^Twomey, Stephen (6 September 2022). "Software as a Service: An Overview of Cloud Computing, SaaS, and Other Infrastructures". Kennected. Archived from the original on 14 September 2022. Retrieved 14 September 2022.[unreliable source?]
^"IT Channel Glossary". CompuBase. March 2013. Archived from the original on 5 February 2021. Retrieved 13 February 2013.
^"IBM cloud strategy". www.ibm.com. Archived from the original on 2015-03-13.
^Fox, A.; Patterson, D. (3 Jan 2014). Engineering Software as a Service: An Agile Approach Using Cloud Computing. Strawberry Canyon LLC. ASIN B00CCEHNUM.[unreliable source?]
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