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Appen Alternatives

Appen is described as ''s enterprise crowdsourcing solutions offer a cost-conscious, elastic workforce which gives companies immediate, high-quality work' and is an website. There are more than 10 alternatives to Appen, not only websites but also apps for a variety of platforms, including SaaS, Windows, Self-Hosted solutions and Ruby. The best alternative is UniversalDataTool, which is both free and Open Source. Other great sites and apps similar to Appen are Amazon Mechanical Turk, Supervisely, and Label Box.

This page was last updated Jun 22, 2022
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Appen's enterprise crowdsourcing solutions offer a cost-conscious, elastic workforce which gives companies immediate,...

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  1. UniversalDataTool

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online

    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.

  2. Amazon Mechanical Turk

    • Online

    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.

  3. Supervisely

    • FreemiumProprietary
    • Online

    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.


    • Online

    WorkAround is a training data annotation platform that takes your data from incomplete to AI-ready. Refine your data and build datasets alongside top universities and companies.

  5. Label Box

    • Online

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

  6. Playment

    • Online

    Playment is a platform providing on-demand workers for tasks like transcription, image annotation, cataloging, content moderation and more.

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  7. Labeling AI

    • Online
    • Software as a Service (SaaS)

    Labeling AI is a deep learning-based auto labeling solution that develops and auto-labels custom AI by learning minimal manual labeling data. Labeling AI is an innovative tool that can save your time.

  8. ImageAnnotation.Ai

    • Online

    ImageAnnotation.Ai provides image tagging and annotation services for deep learning, machine learning and computer vision companies. To make sure they're a good fit for your project, you can start on a small batch of your image or videos for free. No hassle and no commitment.


    • Online
    • Ruby
    • Python
    • JSON
    • JavaScript
    • TensorFlow
    • Node.JS

    The fastest, smartest and collaborative way of image annotation for Machine learning and AI. OCLAVI is an annotation tool which helps in making models learn precisely and work accurately in the real world.

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    • Online is a crowdsourcing platform to get high-quality data annotation, data tagging, transcription, comparison and more.

Showing 10 of 22 alternatives