It's not just a good idea anymore, the OpenDaylight Project has released its first open-source software-defined network release: Hydrogen.

Here are 26 network management tools based on open source and available at little or no cost.

InfoWorld’s Best of Open Source Software Awards (aka Bossies) are selected annually by InfoWorld Test Center editors and reviewers. Our picks for the best networking software and tools of 2010 ...

With each iteration, open-source network management tools get better. OpenNMS, Zenoss Core, NetXMS and Sensu Core deliver comprehensive monitoring, flexible reporting, cross-platform support and more.

Open networking and software-defined networking (SDN) both promise to bring the benefits of open source to the world of networking, but is this something that your company can benefit from now?

Open source network analysis tools can help network monitoring. Try out the open source network protocol analyser Wireshark inside a VMware Player Guest OS.

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 ...

Open source software offers small businesses free or low-cost alternatives to a wide range of business software. The trick is knowing what’s available. If you’re managing a network in your home office ...

Cacti is the current standard-bearer of open source network graphing, and takes the original goals of MRTG to whole new levels.

Excellent open source software tools are available to help you keep a close watch over your network, as well as meet many other needs of the busy network manager.