Liferay is an open-source enterprise software platform primarily used for building web portals and intranet applications. It provides a rich set of features out of the box, such as content and document management, web publishing, shared workspaces, and social collaboration tools. These capabilities make it straightforward to create engaging digital experiences across multiple channels. Additionally, Liferay's modularity ensures that it's scalable and easy to customize, which is beneficial for businesses that need to adapt their digital platforms to changing needs and growth.