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The government has, for the first time, mandated a preference for using open source software for future developments.
Five out of six developers recently surveyed by Forrester Research say they have used or are using open source tools as part of their application development or deployment and the top five classes of software used are operating systems, web servers, databases, developer tools and configuration management tools
Read more at zdnet.
Interesting open source search technology by the Canadian company Constellio. Have a look at http://constellio.com/
Have a look at a great presentation on Master Data Management. This should also govern ECM best practices. Video here: http://vimeo.com/37608008
XeniT integrates Alfresco with cator storage: nice intro video with visualisation of the inner working for Castor Object Storage: http://youtu.be/cDydUxaSgyE.
It is worthwhile to have a look at Bluespice. It's an enterprise Mediawiki distribution. If you wanted mediawiki, but you needed access control (and other enterprise and usability features), you should check this out.
OpenOffice.org Developers Create The Document Foundation