
Description: Cisco Packet Tracer is a network simulation program used for configuring and troubleshooting networks. It allows students and professionals to design, build, and configure local, wide area, and cloud networks in a simulated environment.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Free SNMP Agent Simulator is an open source tool that allows you to simulate SNMP agents on your network for testing purposes. It supports SNMP v1, v2c, and v3 and can respond to SNMP requests as if it were a real networked device.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API