Functime is a time-series machine learning tool built to operate at scale. It provides a comprehensive approach to ML forecasting, encouraging users to create end-to-end forecasting pipelines. It comes equipped with guides and tutorials to assist those new to the field of machine learning. To assess the accuracy and effectiveness of predictions, functime includes scoring, ranking, and plotting functions designed to evaluate numerous forecasts simultaneously. Notable features include the LLM Forecast Analysts, an AI feature intended to examine and compare patterns, seasonality, and causal factors across any forecast. It maintains thorough documentation alongside a detailed API reference to ensure a robust understanding of its functionalities. Further, it can be easily installed with pip, and the source code is available on a GitHub repository. Functime not only offers solutions for forecasting but also empowers its users via education and support, facilitating the understanding and application of machine learning forecasting.