LabelMe
Data Masking
Open-source web annotation tool from MIT for image segmentation and object detection dataset creation.
Free plan
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CVAT
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Open-source computer vision annotation tool supporting image and video labeling with AI-assisted automation.
Image annotation and labelingRole based access control and team managementAPI and programmatic access - 3Data Masking
Synthetaic
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AI platform for generating and training on synthetic images for rare-event detection.
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Label Studio
AI Annotation and Labeling
Open-source data labeling tool by HumanSignal supporting images, text, audio, video, and time-series annotation.
Free planFree trialPer seatData QualityData MaskingPrice$99+ / seat / month
Starting price: above the category median. - 5Data Masking
Keylabs
AI Annotation and Labeling
Data annotation platform for computer vision with specialized tools for 3D point cloud, image, and video labeling.
Free trialData QualityGDPR Compliance - 6Data Masking
Hasty
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Vision AI platform automating annotation and model training for enterprise teams.
AI powered image and video annotationModel playground and experimentationQuality assurance and consensus scoring - 7Data Masking
Argilla
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Open-source platform for data-centric AI focused on NLP annotation, labeling, and LLM feedback collection.
Human feedback collection for llm trainingTeam collaboration and task distributionQuality control and inter annotator agreement - 8Data Masking
Prodigy
AI Annotation and Labeling
AI-powered annotation tool by Explosion for efficient data labeling with active learning for NLP and vision.
Single Sign-OnData Masking - 9Data Masking
Sparrow by DefinedCrowd
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AI training data pipeline tool for speech, text, and image datasets with integrated quality scoring and validation.
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Segments.ai
AI Annotation and Labeling
Data labeling platform for computer vision teams with multi-sensor support, 3D point clouds, and automation.
Free trialTiered plansData MaskingComputer Vision PlatformsPrice$25+ / month
Starting price: below the category median.
