GNS3 - GNS3 is a graphical network simulator that allows simulation of complex networks.
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ns-3 - a discrete-event network simulator for internet systems
Adobe Captivate Prime LMS - Adobe Captivate Prime LMS is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
NetSim - NetSim software was created to simulate various Cisco systems. Cisco software is known around the world as being one of the best network, routing and switch systems for businesses and private use. Read more about NetSim.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!