Best Free Data Labeling AI tools

Datature unifies data labeling, model training, and deployment in one workflow. AI‑assisted annotation cuts labeling time up to tenfold. It supports classification, detection, segmentation, keypoint tasks, offers drag‑and‑drop training, hyperparameter tuning, visual evaluation, and edge/cloud deployment with secure collaborative workflows.

Axon Labs Datasets provides curated biometric datasets for liveness detection, face recognition, and voice biometrics, covering iBeta Level 1–3 attack types with ML-ready formats, annotations, balanced splits, demographic diversity, and custom collection options.