Top annotation AI tools

  • UPDF
    UPDF AI-powered PDF Editor for Windows, Mac, iOS, and Android. One License, All Platforms.

    UPDF is an AI-powered PDF editor available across multiple platforms (Windows, Mac, iOS, Android). It offers a comprehensive suite of PDF tools and AI features.

    • Freemium
  • Project MONAI
    Project MONAI Open-Source Frameworks for Accelerating Medical Imaging Research and Clinical Collaboration

    Project MONAI is a set of open-source frameworks designed to accelerate research and clinical collaboration in medical imaging using AI.

    • Free
  • MD.ai
    MD.ai AI-powered reporting and annotation for radiology

    MD.ai provides DICOM-native data annotation tools and AI-powered reporting solutions for radiology, enabling efficient medical imaging workflow automation and dataset creation for AI development.

    • Contact for Pricing
  • PinMy
    PinMy Turn random communication into structured collaboration with visual annotations

    PinMy is a cross-platform visual collaboration tool that enables users to annotate, share, and connect on multiple file formats, featuring voice-to-text conversion and precise feedback capabilities.

    • Freemium
    • From 10$
  • Kili Technology
    Kili Technology Build Better Data, Now.

    Kili Technology is a data-centric AI platform providing tools and services for creating high-quality training datasets and evaluating LLMs. It streamlines the data labeling process and offers expert-led project management for machine learning projects.

    • Freemium
  • V7
    V7 Automate Workflows with AI Agents and Label Data at Scale.

    V7 offers AI-powered solutions for workflow automation and data labeling, enabling businesses to build trustworthy AI trained on their own data.

    • Contact for Pricing
  • Label Studio
    Label Studio The most flexible data labeling platform to fine-tune LLMs, prepare training data or validate AI models

    Label Studio is an open-source data labeling platform that enables users to annotate various data types including GenAI, images, audio, text, time series, and video for machine learning model training and validation.

    • Freemium
  • Xodo
    Xodo Maximize Your PDF Productivity

    Xodo is an all-in-one document solution offering powerful tools to manage, edit, convert, and sign PDFs, Office files, and images across web, desktop, and mobile platforms.

    • Paid
    • From 10$
  • Picsellia
    Picsellia Scale, Start, Improve Your Vision AI Application

    Picsellia is an MLOps platform designed specifically for Computer Vision, enabling teams to build, train, monitor, and improve their applications.

    • Contact for Pricing
  • Prodigy
    Prodigy Efficiently define, train and evaluate custom AI systems.

    Prodigy is a downloadable annotation tool that enables users to build custom AI systems by defining classification schemes and leveraging powerful models.

    • Pay Once
  • Mindkosh
    Mindkosh The all-in-one data labeling platform.

    Mindkosh is a comprehensive platform for data curation, labeling, and validation, offering annotation services and tools for AI projects.

    • Other
  • Sapien
    Sapien Train AI with Expert Human Feedback - Accuracy. Scalability. Expertise.

    Sapien is a decentralized data foundry providing custom data collection and labeling services powered by a global workforce. They specialize in fine-tuning large language models through expert human feedback and data annotation.

    • Contact for Pricing
  • FiftyOne
    FiftyOne A refinery for data and models to build production-ready visual AI applications

    FiftyOne is an enterprise-grade platform for managing, visualizing, and refining visual AI datasets and models, enabling efficient development of computer vision applications at scale.

    • Freemium
  • Pareto
    Pareto Premium AI & LLM Training Data Labeled by Elite Teams

    Pareto is a talent-first data collection platform that connects AI companies with expert-vetted data labelers to provide high-quality training data. It offers services from same-day experimental data to fully managed teams, ensuring top-quality data at competitive prices.

    • Usage Based
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