Bob McCouch of Herding Packets writes about Opengear:

Traditionally, most of Opengear’s products have been smaller form factors with 2, 4, or 8 serial ports. One reason the networking community loves Opengear, though, is the open nature of their platform. Opengear boxes run the uClinux distribution, and root access is available. This allows a variety of scripting or application installation to be done on these devices. This scripting capability, along with an available array of built-in sensors such as temperature/humidity, power condition, and others, make Opengear a powerful platform that can do much more than simply provide serial access to network devices and servers.

Read more: Openly Passionate