"Open-source application stacks--and the scramble to build, support and sell them to enterprise IT customers--have been one of the technology industry's hottest trends this year.
"Vendors hawking them include the likes of Hewlett-Packard Co. and IBM, Linux purveyors Red Hat Inc. and Novell Inc., and independent support providers such as SpikeSource Inc., OpenLogic Inc., SourceLabs Inc. and many others..."