Review: Metalogix Content Matrix Migration Express Delivers Impressive Functionality, for Free

Metalogix Content Matrix is a multi-purpose content migration and consolidation tool which can connect to and move data into SharePoint from a number of sources: other SharePoint farms, file shares, websites, blogs, Exchange public folders, PSTs and eRoom. You can get a list of all the supported targets and sources on Metalogix's Tech Specs web page. The express version, Content Matrix Migration Express, however, supports only SharePoint, files share and public folder sources.