HumanSignal
Creators of Label Studio, the most widely adopted open-source data labeling platform, helping teams build high-quality AI training datasets.
InboxDollars
Cash rewards platform for surveys, videos, games, and shopping since 2000.
Innodata
Global data engineering company founded in 1988, providing AI training data, annotation, and evaluation services with 4,000+ experts across 40+ languages.
Luel
Y Combinator-backed marketplace connecting AI companies with contributors for rights-cleared, multimodal training data collection.
Microworkers
Global crowdsourcing platform founded in 2009 offering microtasks including data entry, content moderation, surveys, AI annotation, and website testing.
Populii
Tech Mahindra's crowdsourcing platform connecting freelancers with AI training tasks including annotation, content evaluation, and data collection in 80+ languages.
Prime Opinion
Global survey platform with instant payouts and over 150 reward options.
Respondent
High-paying research platform for surveys, interviews, and focus groups.
Silencio AI
DePIN platform turning smartphones into AI data collection tools for noise pollution mapping and voice AI training across 235 countries.
SproutGigs
Micro-freelancing platform (formerly Picoworkers) founded in 2011 offering microtasks and freelance gigs for a global workforce.
Swagbucks
One of the largest rewards platforms for surveys, shopping, videos, and more.
TaskVerse
TaskUs-powered crowdsourcing platform connecting global freelancers with AI training microtasks including voice recording, image labeling, and data annotation.
Welo Data
Welocalize's AI data brand with 500,000+ experts across 100+ countries, offering annotation, RLHF, and LLM fine-tuning services.
Yo HR Consultancy
Recruitment consultancy connecting talent with AI training, data annotation, and tech roles across the US, India, and the Gulf region.