Annotate better with CVAT, the industry-leading data engine for machine learning. Used and trusted by teams at any scale, for data of any scale.

The standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.

Image Polygonal Annotation with Python (polygon, rectangle, circle, line, point and image-level flag annotation).

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Open source annotation and labeling tool for image and video assets