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Anatomy articles, diagrams and three-dimensional learning material

Pathology images and tutorials for medical education

An ophthalmology encyclopedia written by eye specialists

A documentation platform that keeps docs current and readable for AI agents.

Learn and test text patterns with live feedback

Develop mobile illustrations with editable brushes and layered drawing

Animal reference searchable by information and media type

A curated registry of biological and biomedical ontologies

Controlled terminology for art and cultural-heritage research

Educational tools for examining global facts and assumptions

Shakespeare texts with scholarly and educational context

A multilingual encyclopedia with a language-aware search

Related English words for revising a draft

A versioned taxonomic catalogue of spiders

A historical London map linked to texts and reference records

Math and electrical calculations in a compact tool directory

Metric and imperial conversion with reference charts

Chemical calculations with balancing and molar-mass tools

Find destination tours, attraction tickets and travel experiences

Scholarly search with author, publication and date controls

Structural language properties in a comparative database

Bible search with precise control over the books searched

Historical maps with text search and geographic viewing tools

An independent reference for Steam catalogue and activity data