Liferay got created when gods got upset with the general lack of a quality enterprise class CMS. Liferay is a world class Enterprise Content Management framework that allows you to build apps, portlets among many useful, business purpose solutions.
To start with, Liferay is a Portal, a web platform, a CMS, a social collaboration, enterprise 2.0 supportive environment that many of the top companies in the world use.
This can be made in to a product, a solution, a intranet, a knowledge management portal among many, many useful applications for business.
The business potency of Liferay is enormous and hence is among the most desired enterprise class solutions in the world today.
As part of our Price is right study in CMS, we cannot exclude top tier solutions such as Liferay and still find the study to be complete.