
Port Authority
Nmap
Angry IP Scanner
Fing
Advanced IP Scanner
Zenmap
Wireless Network Watcher
Advanced Port Scanner
kdiff3
Beyond Compare
WinMerge
Meld
DiffMerge
Araxis Merge
P4Merge
Devart Code Compare
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Fing - Discover which devices are connected to any Wi-Fi network, map devices, detect intruders, assess...
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.