Datasets & Labeling

Run open-weight LLMs locally to assist labeling or generate synthetic datasets.

Open-source text annotation for classification, NER, and seq2seq tasks.

Developer-centric annotation tool with strong active learning for NLP/CV/A/V.

AI + HITL labeling with customizable workflows, analytics, and ontology management.

Professional CV labeling with model-in-the-loop and medical/video tooling.

AI-assisted annotation and services with workflow, QA, and multimodal support.

Dataset management and curation—debug models, fix labels, and improve data quality.

Leading open-source image/video annotation with auto-annotation and team workflows.

Open-source, highly configurable labeling for text, images, audio, video, and chat.

End-to-end data engine with AI-assisted labeling, curation, and evaluations.

Huge community hub of computer-vision datasets and pre-trained models.

Massive open image–text dataset (multilingual) widely used for generative models.

Large-scale annotated image dataset with boxes, masks, relationships, and more.

Free, open web-crawl corpus for large-scale text/data mining.

CERN-hosted open repository for research data with DOIs and long-term preservation.