Computer Vision Annotation Tool (CVAT) logo

Best Computer Vision Annotation Tool (CVAT) Alternatives ranked by AI · updated May 2025

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CVAT is an open-source tool for image and video annotation, designed for computer vision tasks. It offers a web interface for annotation and supports various annotation formats.

Top 6 Computer Vision Annotation Tool (CVAT) alternatives

LabelImg is a graphical image annotation tool that is also open-source and supports object detection annotations.

Pros

  • Simple and easy-to-use
  • Supports object detection

Cons

  • Limited to image annotation
2 VGG Image Annotator (VIA) logo

VGG Image Annotator (VIA)

Visual Geometry Group, University of Oxford

VGG Image Annotator is a lightweight, browser-based tool for manually annotating images, videos, and audio. It is designed for researchers and developers...

Pros

  • Runs locally in a browser with no server or account required
  • Supports image, video, and audio regions with customizable attributes
  • Exports annotations in several common formats including JSON and CSV

Cons

  • Less suitable for large teams than Label Studio or CVAT
  • Limited workflow management, review, and collaboration features
  • Less capable for complex video and 3D annotation than specialized platforms

LabelMe is an online annotation tool that allows users to annotate images with objects and part locations. It supports polygon annotations.

Pros

  • Online tool
  • Supports part locations

Cons

  • Requires internet connection
4 Supervisely logo

Supervisely

Supervisely

Supervisely is a computer vision platform combining data annotation, dataset management, model training, and deployment tools. It targets research groups and ML...

Pros

  • More complete computer vision workflow than Heartex alone
  • Includes dataset management, training, and model deployment capabilities
  • Rich support for segmentation, detection, and video annotation

Cons

  • More focused on computer vision than Heartex's broader modality support
  • Full enterprise functionality requires a paid plan
  • Larger feature set can feel heavier for simple labeling tasks

Free community plan; paid plans custom

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