Yolo_mark - GUI for marking bounded boxes of objects in images
imglab - peedup and simplify image labeling/ annotation process with multiple supported formats
OpenLabeler - Open source desktop application for annotating objects
UltimateLabeling - A multi-purpose Video Labeling GUI with integrated SOTA detector and tracker
DataGym.ai - Open source annotation and labeling tool for image and video assets
Closed Source
DataTorch - Platform for creating and shareing datasets.
Labelbox - Platform for data labeling, data management, and data science. Its features include image annotation, bounding boxes, text classification, and more
Supervise.ly - Image annotation and data management tool that you can use create image and video datasets
Prodigy - Various machine learning models such as image classification, entity recognition and intent detection
RectLabel - Label images for bounding box object detection and segmentation
Lionbridge AI - Quickly annotate thousands of images and videos with relevant tags
TrainingData.io - Medical image annotation tool for data labeling. Spports DICOM image format for radiology AI
Spare5 - Crowdsourcing service for tasks such as data and image annotation, language assessment, and more
Hive - Text and image annotation service that helps you create training datasets
Figure Eight - Supports audio , computer vision, natural language processing, and other data tasks
Dataturks - Image segmentation, named entity recognition (NER) tagging in documents, and POS tagging
UBIAI - Easy-to-use text annotation tool for teams with most comprehensive auto-annotation features. Supports NER, relations and document classification as well as OCR annotation for invoice labeling
Playment - Services offered include bounding boxes, points and lines, polygons, semantic segmentation, and more
OCLAVI - Annotate Bounding Box, Polygon, Circle, Point and Cuboidal annotations with precision
Humans in the Loop - Use cases include face recognition, autonomous vehicles, and figure detection
WorkAround - Host and annotate data, manage projects, and build datasets alongside top companies
TaQadam - On-demand annotation with agents-in-the-loop
Zillin - Image annotation service for classification, object detection and segmentation with API access and georeferenced images support.
IBM Cloud Annotations - Simple and collaborative image annotation tool for teams and individuals inside ibm cloud environment.
TrainingSet.AI - Platform to solve the data labelling step in the AI Development for images, video and point cloud data (automatic labeling, ground truth, annotation tools, web dataset creation, s3, teams and statistics tools)
MedSeg - Free online medical annotation (segmentation) with AI models.
MVTec Deep Learning Tool - Provides labeling functionalities for HALCON's deep-learning-based object detection and classification.
Amazon SageMaker Ground Truth - annotate data using MTurk, vendor workforces, or your own private workteams. Use Ground Truth's built-in UIs (video, point cloud, image, text, document processing) or bring your own custom UI
Audio
Audio Annotator - JavaScript interface for annotating and labeling audio files