Roboflow Annotate alternatives

The best alternatives to Roboflow Annotate are CVAT (Computer Vision Annotation Tool), Supervisely, Diffgram and VGG Image Annotator (VIA). Each is an AI tool with a distinct edge — pricing, output quality, or workflow — detailed below and reviewed on Stork.

• CVAT (Computer Vision Annotation Tool)

  CVAT is a powerful, open-source web-based annotation tool that supports a wide range of computer vision tasks, including object detection, segmentation, and classification, with built-in AI-powered tools for semi-automatic and automatic annotation.

• Supervisely

  Supervisely provides a comprehensive ecosystem for computer vision development, including data labeling, model training, and deployment, with a strong focus on collaborative workflows, built-in AI models for auto-labeling, and a marketplace for apps.

• Diffgram

  Diffgram offers a full-stack platform for computer vision, from annotation to model training and deployment, with a strong emphasis on customizable workflows, AI-assisted labeling, and an open-source foundation that can be run on your own hardware.

• VGG Image Annotator (VIA)

  VIA is a lightweight, standalone manual image annotation tool that runs directly in the browser from a single HTML file, supporting various annotation types without requiring a backend server or installation.