
Description: Google Assistant is a virtual assistant developed by Google that uses natural language processing to answer questions, make recommendations, and perform actions by delegating requests to a set of web services. It is able to engage in two-way conversations and complete tasks through voice commands.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Cortana is a virtual assistant created by Microsoft to help users with tasks like scheduling appointments, setting reminders, getting information, and automating processes on Windows 10 devices. It uses natural language processing to understand user requests and respond via voice or text interactions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API