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1

GNS3

An advanced network simulator to design and configure virtual networks

Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware.

60 Reviews

Downloads: 3,672 This Week

Last Update: 20 hours ago
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2

Secure VPC Network Generator

Secure VPC Network Generator

Deploys a secure VPC on AWS with public/private subnets using Terraform. This tool provides a calculator and generator for AWS VPC Terraform configurations. It allows you to quickly scaffold a secure VPC with multiple subnets. Quick Start To use this tool, run the generator: bash # Generate a VPC with 3 subnets python lab_runner.py vpc-gen --cidr 10.10.0.0/16 --subnets 3 --output my_vpc.tf

Downloads: 0 This Week

Last Update: 2026-01-28
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3

Network Simulator (fork CORE - Live USB)

Live DVD with CORE network simulator

The Common Open Research Emulator (CORE) is a tool for emulating networks on one or more machines. You can connect these emulated networks to live networks. CORE consists of a GUI for drawing topologies of lightweight virtual machines, and Python modules for scripting network emulation.

1 Review

Downloads: 17 This Week

Last Update: 2018-07-30
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4

niab

niab - Network In A Box. Create a virtual lab network inside one machine. A lab can include routers, firewalls, clients and servers connected by a network specified by you. [Linux Network Simulator, UML, user mode linux]

Downloads: 0 This Week

Last Update: 2013-03-14
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