The Universal Data Tool (UDT) is an open-source web or downloadable tool for labeling data for usage in machine learning or data processing systems.
The Universal Data Tool supports Computer Vision, Natural Language Processing (including Named Entity Recognition and Audio Transcription) workflows.
The UDT uses an open-source data format (.udt.json / .udt.csv) that can be easily read by programs as a ground-truth dataset for machine learning algorithms.
Labelbox - Build computer vision products for the real world
Get Leads - Curated directory of 100+ websites to get freelance work.
CrowdFlower - Enterprise crowdsourcing for micro-tasks
Freelancer Stack - Curated directory of tools used by 10,000+ freelancers
Supervisely - Supervisely helps people with and without machine learning expertise to create state-of-the-art...
Fiverr Discover - Inspiration for freelancers, by freelancers