• Uses ICMP ping to monitor hosts.
• Not being a swiss army knife of network monitoring Big Brother isn't loaded with complicated features of no use
• Has a misleading name
• Organizes hosts into a hierarchical tree, giving you comprehensive picture tailored to suit your needs and please your aesthetic feelings
• Propagates properties pertaining to ancestors to descendants unless overridden
• Presents the results as a graphical view and logs relevant events into file
• Can run in background, taking up a 256 pixels of screen nicely packed as a 16x16 square in your notification tray area
• Open source for those willing to add missing features, fix bugs and examine code for potential flaws and fun
• You're free to torture it the way you want to as long as you preserve original author's credentials

ScreenShot