GNS3 Alternatives

GNS3 is described as 'graphical network simulator that allows simulation of complex networks' and is a network simulator in the education & reference category. There are seven alternatives to GNS3 for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is Cisco Packet Tracer, which is free. Other great apps like GNS3 are Eve-NG, Dynamips, NetSim and Kathara.

This page was last updated

GNS3

Free • Open Source
Network Simulator

Mac
Windows
Linux

GNS3 is a graphical network simulator that allows simulation of complex networks.

Learn more about GNS3

Cisco Packet Tracer
Do you think this is a good alternative?
Yes
No
Free • Proprietary
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
7 alternatives to Cisco Packet Tracer
Packet Tracer is an essential learning tool used in these Cisco Networking Academy courses: IT Essentials, CCNA Routing and Switching, CCNA Security, Intro to Internet of Things (IoT), and Mobility Fundamentals.
Suggest and vote on features
Cisco Packet Tracer Features
Network Tools
Cisco Packet Tracer vs GNS3 opinions
Eve-NG
Do you think this is a good alternative?
Yes
No
Freemium • Open Source
Network Simulator
Online Education Service
Linux
6 alternatives to Eve-NG
The new EVE-NG platform is ready for todays requirements. It allows enterprises, e-learning providers/centres, individuals and group collaborators to create virtual proof of concepts, solutions and training environments.

Eve-NG has no features, suggest some!
Dynamips
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
5 alternatives to Dynamips
Dynamips is an emulator computer program that was written to emulate Cisco routers. It has been created by Christophe Fillot who started his work in August 2005. Dynamips runs on Linux, Mac OS X or Windows and can emulate the hardware of the Cisco series routing platforms by...

Dynamips has no features, suggest some!
NetSim
Do you think this is a good alternative?
Yes
No
Paid • Proprietary
Windows
6 alternatives to NetSim
NetSim for CCNP Network Simulator is now updated to support the new ROUTE, SWITCH and TSHOOT technologies. The improved interface of NetSim for CCNP makes completing labs, compiling new labs and designing network topologies easier than ever before.

NetSim has no features, suggest some!
Kathara
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
4 alternatives to Kathara
Kathará is an open source container-based network emulation system for showing interactive demos/lessons, testing production networks in a sandbox environment, or developing new network protocols.
Suggest and vote on features
Kathara Features
Support for Docker
DNS Server
Kubernetes
Add a screenshot
Free SNMP Agent Simulator
Do you think this is a good alternative?
Yes
No
Freemium • Proprietary
Network Simulator
Windows
Linux
4 alternatives to Free SNMP Agent Simulator
Verax SNMP agent simulator allows IT personnel to build virtual, simulated networks of devices without purchasing any additional hardware, for instance for testing purposes.

Free SNMP Agent Simulator has no features, suggest some!

Free SNMP Agent Simulator vs GNS3 opinions
pros, cons and recent comments
sdrawkcab
Simulator for devices using exclusively the SNMP protocol, but not a true virtual network simulator such as GNS3 or Cisco Packet Tracer.
Negative comment•
0
Cable Project CAD
Do you think this is a good alternative?
Yes
No
Paid • Proprietary
Windows
3 alternatives to Cable Project CAD
Network Design Tool auto-generates the Rack Diagram, Wiring Log Book, 3D view, Bill of Materials and Specification with project costs. You don't have to manually do cost estimations any longer.

Cable Project CAD has no features, suggest some!