Unlike SaaS, this service refers to the entire development environment of an application, not just its use. So, the PaaS solution provides a cloud platform that is accessible through a web browser for the development, testing, distribution, and management of software applications. Furthermore, the provider provides web-based interfaces, a multi-tenant architecture, and communication tools in order to allow developers to create applications in a simpler way. This supports the entire life cycle of the software and also favoring the cooperation.
Examples of PaaS are Microsoft Azure Services, Google App Engine, and Amazon Web Services.