Datasets for RAG, fine-tuning and training built from public sources
AI-powered email writing tool that generates emails, subject lines and messages in seconds
Stage
Not given
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Founded
Not given
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Based in
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Pricing model
Paid
Freemium
Pricing
Web Corpus: starter sets from $49 (250,000-500,000 documents); shelf corpora from $99-$199 per shelf (one-time license); Everything (full crawl) $3,000 one-time; Whole Library (all builds for one year) $5,000 per year. Reference Collections: Encyclopedia $1,200 commercial or $349 research (one-time)
Free plan with daily limits; Premium plan available with additional features like expand function
Key features
Web corpus with 100.7M documents and 105B tokens from Common Crawl
Documents scored with Bear Rank and shelved by subject
15 million encyclopedia entries with sources and model attribution
200 million synthetic Q&A records with metadata
Delivered as JSONL and Parquet formats
Free samples available on Hugging Face
Command-line client with resumable downloads and SHA-256 verification
Statistics collection with 7,000 topics and 140,000 figures
Glossaries for 10,000 topics with one million definitions
Book Q&A dataset with 8,000 titles for reading comprehension
Multi-language support for 17 languages
12 different tonal options for customization
Three length choices: short, medium, long
User-friendly interface with quick navigation
AI-powered suggestions for content improvement
Real-time editing and customization
Chrome browser extension integration
Mobile device compatibility
No login required for basic usage
Generate emails for various purposes and use cases
What makes it different
All datasets built only from public sources with full provenance tracking
Every record includes source attribution and licensing information
Eight curated subject shelves for targeted corpus selection
Flexible purchasing: buy individual shelves, slices, or entire library
Over 4 TB of clean, deduplicated text ready for machine learning
Completely free tool with no financial investment required
Customization with tone, length, and language options
Does not use user content to train the service
Generates human-like, on-brand emails in seconds
Security and privacy prioritized in all operations