Heartex, operating through its website HumanSignal.com, offers solutions in data labeling and annotation for machine learning applications. The company specializes in providing tools and platforms to assist businesses in efficiently preparing and managing data for AI model training. Heartex aims to enhance the quality and accuracy of machine learning projects by facilitating streamlined data labeling processes, which are critical for training robust AI systems. Their products are designed to support a wide range of data types, including text, image, and video, ensuring versatility across different industries and applications.