Off-the-Shelf AI Training Datasets
Not every project requires custom data collection. Appen's off-the-shelf dataset catalogue provides immediately available, pre-licensed training data across speech, image, video, text, and multimodal formats, curated for AI and ML applications and ready to integrate into your training pipeline without a bespoke collection programme.
Dataset Categories
Tasks & Verifiers
Multi-step professional tasks that ship with the verifiers needed to score an agent's attempt automatically.
Code Repositories
Real production codebases with their full commit and review history, anonymised for training use.
Academic Text Corpora
Peer-reviewed journals and course textbooks in structured XML, weighted towards physics and engineering.
Speech & Audio
Read, conversational and call centre speech across a wide range of languages and accents.
Pronunciation & POS Dictionaries
Phonetic lexicons, grammatical tagging and text normalisation resources for ASR and TTS front ends.
Enterprise Company Data
How real businesses were actually run — the software they chose and the teams behind it.
Image & Video
Everyday objects, documents, signage, gestures and faces, captured in real-world lighting and conditions.
Specialised Datasets
Instruction tuning and red-teaming prompts, agentic trajectories, CAD files, location data and clinical imaging.
When to choose Off-the-Shelf
Featured datasets
Related resources
Speech & Audio
Expressive TTS synthesis, emotion detection, dialectal speech and paralinguistic labelling across 500+ global locales.
Multimodal AI
Fine-grained VLM training data, image-text contrastive pairs, spatiotemporal video annotation, audio-visual alignment and structured document labelling for models that reason across heterogeneous input modalities.
Physical AI
LiDAR point cloud annotation, multi-camera sensor fusion, robot demonstration trajectories, world model rollouts and embodied interaction logs for AI systems operating in unstructured physical environments.
Frontier Model Alignment
CoT reasoning traces, SME RLHF, SFT demonstrations and adversarial red teaming for the world’s most capable models.
Data Annotation Services for AI & ML
Enterprise data annotation services for AI and machine learning , image, text, video, and audio annotation with expert human annotators across 80+ languages.
Multi-Speaker Audio Transcription
Accurate multi-speaker audio transcription at scale, speaker diarization, 99.5% accuracy, and 165,000+ hours of audio across languages and acoustic environments.
Video Action and Intent Recognition Data
Aligned audio-visual training data for vision-language models , precisely synchronized text, image, and audio annotations for multimodal AI that understands the world.
How a Human-in-the-Loop Approach Enhances AI Data Quality
Discover strategies for improving AI data quality with a human-in-the-loop approach to minimizing errors and optimizing AI data preparation.
Get started with Off-the-Shelf AI Training Datasets
Appen’s extensive catalog of off-the-shelf (OTS) datasets spans multiple data types and industries, providing comprehensive coverage for various AI applications. These datasets are crafted to the highest standards of quality and accuracy, ensuring reliable training data for AI models.