Simpl ML Sheet is an add-on for Google Sheets that enables users to utilize machine learning without having to know programming or share data. It allows you to access and manipulate data, train models, and make predictions through a simplified interface. It is built by the TensorFlow decision forest team and is available for free on the Google Workspace Marketplace. It is a productivity tool that can be used for a variety of purposes, such as data analysis, spotting anomalies, and finding patterns.