Download of PortVision Plus 4.8 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free software is a product of Comtrol Corporation. The common filename for the program's installer is PVplus.exe.
PortVision Plus is included in Internet & Network Tools. You can run this free PC program on Windows XP/Vista/7/8/10/11 32-bit. We recommend checking the downloaded files with any free antivirus. The most popular versions of the software are 4.8, 4.7 and 4.6.
From the developer:
PortVision Plus is a program for efficiently locating, configuring, managing, monitoring and testing DeviceMasters over the network. PortVision Plus detects and graphically displays every DeviceMaster on your network and you can get a real-time view of the operating conditions of each device server.
You may want to check out more software, such as MBT Navigator, CMUD or ICB2000, which might be related to PortVision Plus.