As we've seen time and again, in an increasing number of enterprise software categories, open source has become a promising alternative to commercial software. But there's no free ride.
Support from developers is often problematic, and you need to find products with a large enough following so that programmers have an incentive to build add-on modules. When the Test Center reviewed open source CMSes (content management systems), these two factors often broke the tie between otherwise robust solutions and gave Alfresco the advantage.
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