Jobvertise - Free online jobs database, easily post jobs and search resumes.
Labelbox - Build computer vision products for the real world
Zillionresumes - The powerful, affordable candidate search and resume database solution.
CloudFactory - Human-powered Data Processing for AI and Automation
JobSpider - JobSpider is a platform where you can post resumes and jobs.
CrowdFlower - Enterprise crowdsourcing for micro-tasks