Article: Open source management-tool alternatives hit the mark; Zenoss Core wins test of open source tools with a great GUI, accurate discovery and excellent monitoring.

Several open source networking vendors offer free tools that conform to the GNU licensing strategy and whose source code

is readily downloadable on the Internet.

If you hate to spend money, if you embrace the tenets of the Free Software Foundation, or if you have programming skills that

you can devote to customizing and maintaining your own networking tools, then one of the three open source network-management

tools we tested might be right for you.

At any price and in any form, the perfect management and monitoring tool efficiently and accurately discovers servers, clients,

routers, switches and other devices.

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