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Data Annotation Tools

A verified directory of data annotation and labeling platforms used to build high-quality training data for computer vision and NLP models.

10Tools listed
01

Kognic (formerly Annotell)

Human-in-the-loop annotation platform for safety-critical perception systems, built for autonomous driving and ADAS. Trusted by Continental, Qualcomm, Zenseact, and Bosch.

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02

Dataloop AI

Covers the entire data management cycle, from data labeling and automating data ops to deploying production pipelines with human-in-the-loop feedback.

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03

Datasaur

A leading NLP data-labeling platform, with annotation, collaboration, and automation at its core, offered today through Datasaur's Data Studio product.

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04

Deepen AI

Multi-sensor data labeling and calibration tools that accelerate computer vision training for autonomous vehicles, robotics, and more.

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05

Hasty (via CloudFactory)

Hasty's data-centric ML platform for building and deploying vision AI applications faster and more reliably, now offered as part of CloudFactory's managed workforce and labeling solution.

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06

understand.ai

Automation engine for computer vision data annotation, built to cut costs and accelerate training and validation of autonomous driving technology.

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07

V7 Darwin

The AI data engine to manage your datasets — solve labeling tasks faster with an API for image, video, and medical annotation and dataset management.

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08

LabelImg

LabelImg is a graphical image annotation tool for drawing bounding boxes and generating labeled datasets.

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09

LabelMe

An online annotation tool from MIT CSAIL to build image databases for computer vision research.

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10

CVAT

Free, open, interactive video and image annotation tool for computer vision, with AI-assisted labeling, QA, and team collaboration.

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