Beyond Compare - Beyond Compare allows you to compare files and folders.
SolarWinds Network Configuration Manager - SolarWinds is a leading provider of powerful and affordable IT infrastructure management software. Make IT look easy.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
Cisco Network Assistant - Cisco Network Assistant simplifies wired and wireless network management, and provides critical product information using Cisco Active Advisor.