Cisco Packet Tracer is described as «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» and is an app in the education & reference category. There are six alternatives to Cisco Packet Tracer for Windows, Linux and Mac. The best alternative is GNS3, which is both free and Open Source. Other great apps like Cisco Packet Tracer are NetSim, Dynamips, Eve-NG and Cable Project CAD.
