GFI Network Server Monitor is a network monitoring tool of the company GFI. The original source code was bought from a Dutch company ActiveXperts which has its own ActiveXperts Network Monitor. The original source code is written in C++ and uses ActiveX/COM components of ActiveXperts itself. Many similarities in earlier versions of both the products can be viewd in the GUI. Installing the GFI Network Server Monitor on a machine which has already installed the ActiveXperts Network Monitor, can cause DLL conflicts, as many DLL names, and registry entries have remained the same.