Nowadays, there are quite a few content management systems available on the market. Almost every big vendor has their own solutions in this arena. IBM got FileNet in early days, HP paid $10B for Autonomy, Oracle has its UCM (acquired from Stellent), Adobe acquired CQ from Day Software.
Except all these big players, Alfresco offers quality open source suite for enterprise content management needs. The solution is impressive. It doesn’t require high-power clustered servers to run, alternatively, you may even install and play with it on your laptop. The implementation of Alfresco presents some big trends in IT industry: quick implementation, modularized, integrated some market-approved products, such as Apache Tomcat, PostgreSQL and LibreOffice (a sibling of OpenOffice), etc.
Here’s a brief introduction of Alfresco Content Management solution: