"In the past 18 months, open source options in the
systems management space have grown to include a new set of
vendors, including Alterpoint, GroundWork Open Source, Hyperic,
Open Country, The OpenNMS Group, Qlusters and Zenoss. These vendors
have made a business out of backing open source systems management
projects with commercial-grade support offerings and subscriptions,
al la Red Hat Enterprise Linux..."
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