CrowdFlower - Enterprise crowdsourcing for micro-tasks
Amazon Mechanical Turk - The online market place for work.
Universal Data Tool - Machine learning, data labeling tool, computer vision, annotate-images, classification, dataset
Labelbox - Build computer vision products for the real world
Labeling AI - Labeling AI is a deep learning-based auto labeling solution that develops and auto-labels custom AI by learning minimal manual labeling data.
Supervisely - Supervisely helps people with and without machine learning expertise to create state-of-the-art...