The Dude network monitor is a new application by MikroTik which can dramatically improve the way you manage your network environment. It will automatically scan all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices and alert you in case some service has problems.
The Dude for Windows Dude v3.1
Optional RouterOS package (v3.17 and above)
For X86 (RB200, PC)
For MIPS-LE (RB100, RB500)
For MIPS-BE (RB400)
For PPC (RB300, RB600, RB1000)

Note
RouterOS optional package is currently only suited for v3.17 and aboveSome of it's features:
The Dude is free of charge!
Auto network discovery and layout
Discovers any type or brand of device
Device, Link monitoring, and notifications
Includes SVG icons for devices, and supports custom icons and backgrounds
Easy installation and usage
Allows you to draw your own maps and add custom devices
Supports SNMP, ICMP, DNS and TCP monitoring for devices that support it
Individual Link usage monitoring and graphs
Direct access to remote control tools for device management
Supports remote Dude server and local client
Runs in Linux Wine environment, MacOS Darwine, and Windows
Best price/value ratio compared to other products (free of charge)

Help:
The online version
The downloadable version (PDF)
The User Forum
Installation on Linux
The Dude version changelog Certified Dude Consultants:
Steve Zilis steve[at]znetworks.us
Dennis Burgess dmburgess[at]linktechs.net