As an aside, what is the 'vastly superior' FOSS alternative to Sharepoint? I've looked at Alfresco, but it was a pain to install and configure. Also, it doesn'

As an aside, what is the 'vastly superior' FOSS alternative to Sharepoint? I've looked at Alfresco, but it was a pain to install and configure. Also, it doesn't seem to be 'true' FOSS because we get access to dirty HEAD code and not the code they use for the 'enterprise' version. They further refuse to commit the name 'stable' to any of the community versions.