Beyond Compare - Beyond Compare allows you to compare files and folders.
Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
TractionGuest - Safe, secure workplace for all.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
The Receptionist - The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.