#6701
GNS3 (short for Graphical Network Simulator-3) is a cutting-edge and feature-rich network simulation platform for Windows, Mac and Linux platforms, developed by SolarWinds from Canada in 2008. It allows users to create virtual network environments and test various network configurations with ease.

#6133
The Dude is a full-featured, easy-to-use and free network visualization and interactive monitoring and management tool for Windows, developed by MikroTik from Latvia. It visualizes the network structure and helps users to effectively improve the way they manage their network environment. For example: mass upgrade RouterOS devices, configure them right from within the Dude interface, run network monitoring tools, etc. As such, it is ideally suited for managing small network infrastructures.

#6061
Cisco Packet Tracer is a full-featured network simulation platform (mainly simulates Cisco routers and switches) with a graphical user interface, developed by Cisco Systems. It is designed to provide a network simulation environment for beginners in Cisco networking courses to design, configure and troubleshoot networks. In other words, it can provide a nearly perfect experimental environment for Cisco network engineers, administrators and Cisco certificate candidates.

#4488
LANState is a visual network mapping, monitoring and managing software specially designed for network manager or administrator, developed by 10-Strike Software from Russia. It can creates an interactive map for your network from which you are able to view the status of all connected devices in real time. At the same time, it will monitor all shared resources and communications within the network, and inform you (via e-mail, SMS, or sound notifications) when various events occur.

#3736
To efficiently manage company/enterprise's internal LAN network with numerous nodes, complex structure and frequent failures, we often need to turn to the convenient and intuitive network topology for help. This way, when some device in a LAN breaks down, we will be able to skillfully use it to quickly locate the machine/source out of order.