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Software as a service (SaaS / s æ s / [1]) is a cloud computing service model where the provider offers use of application software to a client and manages all needed physical and software resources. [2] Unlike other software delivery models, it separates "the possession and ownership of software from its use". [3]
Software industry business models include SaaS (subscription-based), PaaS (platform services), IaaS (infrastructure services), and freemium (free with premium features). Others are perpetual licenses (one-time fee), ad-supported (free with ads), open source (free with paid support), pay-per-use (usage-based), and consulting/customization services.
If the content is free text data or similar unstructured data, then it is first tokenised by Lucene, or similar process.[i] Search as a service may also be particularly useful for mobile applications, where the client device is limited for storage, processing speed and connection bandwidth.
This is in contrast to SaaS, where users buy a subscription and where the software is centrally hosted. One example of software as a product has historically been Microsoft Office , which has traditionally been distributed as a file package using CD-ROM or other physical media or is downloaded over network.
Hybrid SaaS refers to a deployment model where a software application is delivered as a service and combines elements of both on-premises and cloud-based infrastructure. In this model, some components or data reside on the customer's local infrastructure (on-premises) while others are hosted in the cloud.
"X as a service" (rendered as *aaS in acronyms) is a phrasal template for any business model in which a product use is offered as a subscription-based service rather than as an artifact owned and maintained by the customer. Originating from the software as a service concept that appeared in the 2010s with the advent of cloud computing, [1] [2] the template has expanded to numerous offerings in t
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Software licensed to ensure source code usage rights Open-source software shares similarities with free software and is part of the broader term free and open-source software. For broader coverage of this topic, see open-source-software movement. It has been suggested that this article ...
This includes mobile files and desktops, in addition to SaaS and virtual apps. [ 8 ] Citrix Workspace app replaced Citrix Receiver, which was the client component of Citrix products XenDesktop and XenApp , now Citrix Virtual Apps and Desktops. [ 9 ]