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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]
According to The NIST Definition of Cloud Computing, [3] there are three service models associated with cloud computing: infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS). The concept of ITaaS as an operating model is not limited to or dependent on cloud computing.
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
From inception, Odoo S.A (formerly OpenERP S.A) has released the core software as open source. [4] Since the V9.0 release, the company has transitioned to an open core model, which provides subscription-based proprietary enterprise software and cloud-hosted software as a service, in addition to the open source version.
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.
In January 2012, HotDocs released HotDocs Document Services, a software-as-a-service (SaaS) application designed to extend browser-based document generation to small-to-medium-sized law firms. HotDocs has recently launched HotDocs Author 1.0. This is a massive bundle service for big enterprise businesses.
Plume is a Software-as-a-Service (SaaS) company that provides self-optimizing WiFi services, visibility, and network control for Communications Service Providers (CSPs) and their subscribers, such as personal households and small businesses. The company is based in Palo Alto, California. [1] [2]