HumanSignal is the team behind Label Studio, a platform for labeling and evaluating multi-modal data used in machine learning workflows. It supports common annotation tasks across text, image, video, audio, and time series, with configurable templates and a programmable interface for task-specific workflows. HumanSignal also focuses on integration, connecting Label Studio with cloud storage, business logic, and ML/AI models—and offers automation options to speed up labeling and review.