Free network monitoring software is available easily on the Internet. However, the question that plagues most users is how to choose the best one. The most important consideration for this would be to first evaluate the requirements that you have vis-à-vis the specific computer network that is applicable in your case. Then you will need to compare the features available in various competing free network monitoring tools available online and their respective prices. One good free network monitoring software for remote enterprise management is OpManager 20 node small network edition.