Liferay: intuitive b2b
Liferay Enterprise license
Liferay Portal Enterprise Edition (Portal EE) is ideal for enterprise-class clients that require more robust deployments. Portal EE is a strengthened, stable compilation with professional support of the software project.
Liferay Portal Community Edition is a free software with license, it can be redistributed and modified according to the terms of the GNU reduced general public license, published by the Free Software Foundation; either version 2.1 of the license or any later version.