Liferay Portal is described as 'enterprise web platform for building business solutions that deliver immediate results and long-term value' and is an app in the Business & Commerce category. There are more than 10 alternatives to Liferay Portal for a variety of platforms, including Windows, Online / Web-based, Mac, iPhone and Android. The best alternative is HumHub, which is both free and Open Source. Other great apps like Liferay Portal are Shelf.io (Freemium), eXo Platform (Freemium, Open Source), Microsoft SharePoint (Paid) and Alfresco Community Edition (Free, Open Source).
eXo Platform is an all-in-one digital workplace solution that helps you connect, align and engage your teams around a single interface. You can use it to improve company and peer-to-peer communication, boost collaboration and manage company knowledge.