Amazon Mechanical Turk - The online market place for work.
TalentBin - TalentBin offers a one-stop search shop for recruiters and hiring managers to find suitable candidates.
Universal Data Tool - Machine learning, data labeling tool, computer vision, annotate-images, classification, dataset
LinkedIn Recruiter - LinkedIn Recruiter is a recruiting tool to hire talent from LinkedIn.
Labelbox - Build computer vision products for the real world
Zillionresumes - The powerful, affordable candidate search and resume database solution.