The world's leading open source portal
Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructure.
Coherence is an advanced Content Management System build on top of Zope. Coherence has site-, user- and filemanagement. Some of the special features are a WYSIWYG page-editor with a drag and drop interface, versioncontrol, workflow and linkmanagement.