
Description: OptKit is an open-source optimization toolkit for machine learning. It provides implementations of various optimization algorithms like gradient descent, ADAM, RMSProp, etc. to help train neural networks more efficiently.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: User.com is a user research and usability testing platform that allows product teams to get feedback from real users during product development. It provides access to a network of vetted research participants to conduct moderated and unmoderated remote user tests, first-click tests, preference tests, 5-second tests, design surveys, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API