Alternatives to clickworker

A human data platform connecting AI teams and researchers to 300,000+ verified participants for preference tuning, safety evals, and online studies.

Open-source platform for data labeling, AI evaluation, and human-in-the-loop workflows across every data modality.

Open-source framework that turns any GitHub repository into training data for software engineering agents.

DataQA turns Slack into a weak-supervision console for labeling text.

Web3 data network paying contributors in crypto for text, audio, video, code, and mapping data that trains AI models.

Managed training data, RL environments, and safety red-teaming for teams building AI agents, coding models, and LLM/VLM pipelines.

Open-source, multimodal data annotation platform for image, video, 3D point cloud, and audio labeling—self-hosted, cloud, or fully managed

Human-recorded computer-use datasets that teach AI agents to operate real software the way people do.

Applied research lab that captures expert reasoning and structures it into SFT, RL rubric, agent, and computer-use training data for frontier models.

Web data platform for AI training and agentic web access — pre-collected datasets, live scraping APIs, and a proxy network under one account.

Cortex AI supplies real-workplace egocentric video and robot trajectory data for training embodied AI models.

Early-stage San Francisco robotics lab building policies for robots that do real work, and hiring its first researchers.

Data, evaluations, and applied research for perceptual AI across audio, video, and emerging modalities.

Universal Data Tool is a collaborative data labeling platform for images, text, documents, and video datasets.

Aviation AI training datasets plus real-time runway incursion risk detection for ATC safety teams.

Open-source Python framework for generating grounded synthetic datasets from real sandboxed tool execution traces.

Enterprise dataset management platform for AI training teams

Hub collects real-world multimodal data for embodied AI — egocentric video, teleoperation, hand tracking and tactile — with custom collection delivered in

BioStack Platforms supplies structured clinical datasets and RL environments for healthcare AI teams.

Generate privacy-safe synthetic data with MOSTLY AI's Apache v2 SDK and TabularARGN engine.

Mercor is a human intelligence marketplace for AI model evaluation and training data, paying vetted domain experts an average of $109/hr.

Raiinmaker builds custom, rights-cleared video datasets and runs real-time human evaluation for generative AI video models.

RL environments and expert-labeled data for frontier models and enterprise agents

Outlier AI pays subject-matter experts to train AI models remotely on flexible, project-based work with weekly pay.

Offline AI image annotation for YOLO and VOC datasets — local SAM2, SAM3 and YOLO-World, one-time purchase from $49.

Private-deployment data annotation platform for multimodal AI training, from BasicAI.

Sahara AI is a blockchain-backed platform for building, deploying, and monetizing autonomous AI agents across trading, enterprise automation, and data services.

GameEngineBench benchmarks and UE5 training data for AI agents that write real game-engine code.

A free 70,000-image Zalando clothing dataset built as a drop-in replacement for MNIST.

MIT-licensed Python CLI to export AI coding assistant chat history into one normalized JSONL dataset.