Alfresco Community Edition is the Open Source Alternative for Enterprise Content Management (ECM), providing Document Management, Collaboration, Records Management, Knowledge Management, Web Content Management and Imaging.
Alfresco uses best-of-breed Open Source technologies such as Spring, Hibernate, Lucene, modern standards such as JSR-168, JSR-170, Web Services, Java Server Faces and contributions from the open source community to get higher quality software produced more quickly at much lower cost. Alfresco allows users to access a simple to use, Intelligent Virtual File System from their native application or portal with the full power of an Enterprise Content Management System.
What's new in this version:
Version 4.2.b has fixed quickshare metadata retrieval which fails for custom content type.