
Description: nuttcp is an open-source network performance measurement tool for testing TCP and UDP bandwidth performance. It allows the user to set various parameters like protocol, window size, number of flows, etc. to simulate different real-world conditions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: OpenSpeedTest-Server is an open source speed test server software that allows you to set up your own internet speed test server. It provides an HTTP/S based speed test using various client side mechanisms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API