ArsDigita, the open-source CMS and community-collaboration services company founded by Web-database guru Phil Greenspun, has called it quits. As with other similar cases (Astoria, eBT), the professional services team will continue on under a different company (in this case, RedHat). And no doubt the folks at MIT will keep the somewhat blander, Tcl-and-Postgres ACS Community System going. But still goes to show you that even open-source CMS projects are not immune from turbulence in the industry...
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