According to me, HeadSpin is the new automation testing tool that is stealing the limelight especially because of its features. It is a cloud-based test automation platform that uses AI to automate tests for mobile, web, and desktop applications. It offers a wide range of features, including:

The ability to run tests on real devices in the cloud
AI-powered test generation and optimization
Powerful reporting and analytics features

Before making any decision, it is suggested to know everything about this tools so that you know you are investing at the right place.