Data Annotation Platform Alternatives

Data Annotation Platform is described as 'We set out to create a straightforward, efficient solution for annotating large datasets. Right now, we're focused on computer vision, with NLP and LLM annotation support coming soon!' and is an website. There are seven alternatives to Data Annotation Platform, not only websites but also apps for Self-Hosted, Mac, Windows and Linux. The best Data Annotation Platform alternative is Amazon Mechanical Turk. It's not free, so if you're looking for a free alternative, you could try UniversalDataTool or VGG Image Annotator (VIA). Other great sites and apps similar to Data Annotation Platform are Supervisely, Appen, Label Box and Scale.

Data Annotation Platform iconData Annotation Platform
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We set out to create a straightforward, efficient solution for annotating large datasets. Right now, we're focused on...

More about Data Annotation Platform
More about Data Annotation Platform
Data Annotation Platform alternatives page was last updated Jun 18, 2025
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  1. Amazon Mechanical Turk icon

    Amazon Mechanical Turk

     31 likes
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    The online market place for work. We give businesses and developers access to an on-demand scalable workforce. Workers can work at home and make money by choosing from thousands of tasks and jobs.

    26 Amazon Mechanical Turk alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Amazon Mechanical Turk screenshot 1

    Amazon Mechanical Turk Features

    1.  Crowdsourced

    Amazon Mechanical Turk VS Data Annotation Platform

     

    • Amazon Mechanical Turk is the most popular Web-based alternative to Data Annotation Platform.

    • Amazon Mechanical Turk is the most popular commercial alternative to Data Annotation Platform.

    • Amazon Mechanical Turk is Paid and ProprietaryData Annotation Platform is also Paid and Proprietary
  2. UniversalDataTool icon

    UniversalDataTool

     21 likes
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    The Universal Data Tool is a User Interface for editing and annotating Images (Computer Vision, Bounding Boxes, Segmentation), Text (Named Entity Recognition, Classification) or general purpose data entry. to view and edit any data defined in the extensible the .udt.

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    UniversalDataTool screenshot 1

    UniversalDataTool Features

    1.  PDF annotation
    2.  Export to JSON
    3.  Integrated ETL

    UniversalDataTool VS Data Annotation Platform

     

    • UniversalDataTool is the most popular Windows, Mac & Linux alternative to Data Annotation Platform.

    • UniversalDataTool is the most popular Open Source & free alternative to Data Annotation Platform.

    • UniversalDataTool is Free and Open SourceData Annotation Platform is Paid and Proprietary
  4. VGG Image Annotator (VIA) icon

    VGG Image Annotator (VIA)

     1 like
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    VGG Image Annotator is a simple and standalone manual annotation software for image, audio and video. VIA runs in a web browser and does not require any installation or setup.

    License model

    • Free • Open Source

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Self-Hosted
    VGG Image Annotator (VIA) screenshot 1

    VGG Image Annotator (VIA) Features

    1.  Image Annotations
    2.  Video annotation

    VGG Image Annotator (VIA) VS Data Annotation Platform

     

    • VGG Image Annotator (VIA) is the most popular Self-Hosted alternative to Data Annotation Platform.

    • VGG Image Annotator (VIA) is Free and Open SourceData Annotation Platform is Paid and Proprietary
  5. Supervisely icon

    Supervisely

     1 like
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    Supervisely helps people with and without machine learning expertise to create state-of-the-art computer vision applications. We care about entire workflow from raw data to building and deploying neural networks for your special task without coding.

    License model

    • Freemium • Proprietary

    Platforms

    • Online
    Supervisely screenshot 1

    Supervisely VS Data Annotation Platform

     
  6. Appen icon

    Appen

     1 like
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    Appen's enterprise crowdsourcing solutions offer a cost-conscious, elastic workforce which gives companies immediate, high-quality work.

    License model

    Country of Origin

    • AU flagAustralia

    Platforms

    • Online

    Appen Features

    1.  Crowdsourced
    2.  Image Annotations

    Appen VS Data Annotation Platform

     
  7. Label Box icon

    Label Box

     3 likes
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    A complete solution for your training data problem with fast labeling tools, human workforce, data management, a powerful API and automation features.

    License model

    Platforms

    • Online
    Label Box screenshot 1

    Label Box VS Data Annotation Platform

     
  9. Scale icon

    Scale

     1 like
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    Scale is an service API using human labor to complete tasks.

    License model

    Platforms

    • Online
    Scale screenshot 1

    Scale Features

    1.  Crowdsourced

    Scale VS Data Annotation Platform

     
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