Platform as a Service (PaaS) is a cloud computing model that provides developers with a platform to build, deploy, and manage applications without having to worry about the underlying infrastructure. PaaS offers a complete development and deployment environment, including operating systems, databases, web servers, and development tools, all hosted in the cloud. This allows developers to focus on writing code and creating applications, while the PaaS provider handles the infrastructure, including servers, storage, networking, and security.

PaaS solutions, such as Google App Engine, Microsoft Azure, and Heroku, enable faster development and deployment cycles by providing pre-configured environments and tools that simplify complex tasks like scaling, load balancing, and database management. PaaS is particularly beneficial for teams that need to collaborate on projects, as it offers a centralized platform with integrated tools for version control, testing, and continuous integration/continuous deployment (CI/CD). By abstracting the infrastructure layer, PaaS reduces the complexity of deploying and maintaining applications, allowing developers to bring products to market more quickly and efficiently.