- 885 Languages
- 1.5M Words
- 1.8M Translations
- 288K Concepts
- 299 Language families
Approximate row counts, live from the corpus.
Universal Brain
A Universal Human Knowledge project
Universal Brain
Search knowledge, compare languages, and follow connections — one graph, many ways in. Written language remains the primary interface.
Browse the four knowledge tiers
Language
Languages · Families · Dialects
Writing systems · Scripts · Glyphs
Words · Meanings · Senses
Grammar · Phonology · Syntax
27,174
Humanity
History · Chronology · Genealogy
Culture · Society · Peoples
Food · Recipes · Traditions
Art · Music · Media
Places
Continents · Countries
States · Counties
Cities · Settlements
Mountains · Rivers · Lakes
Science
Mathematics · Physics · Chemistry
Earth · Planetary · Astronomy
Biology · Medicine · Environment
Engineering · Agriculture · Food
11
Explore
Windows into one Brain — not separate websites.
- Search Find words, languages, and related knowledge.
- Word Lists Browse meanings by category, then compare languages.
- Categories Presentation groupings over shared meanings.
- Languages Browse the language catalog with Index Bar navigation.
- Countries Geography pages connected to the same knowledge graph.
- Articles Short guides to how the platform works.
- Explorer Walk connections across the knowledge graph.
- Registry Browse registered identity prefixes and catalogs.
- Demo Preview Open platform-hosted demos with the mandatory banner.
Popular journeys
Start anywhere. Everything is connected — nothing is a dead end.
- Dictionary Compare words across languages Side-by-side forms as a doorway into shared meanings.
- Languages Browse the language catalog Large A–Z lists with sticky letters and progressive loading.
- Places Explore countries Geography connected to languages and the wider graph.
- Demo Preview Browse hosted demos Click through private previews — never auto-published as official.
- Learn What is Universal Brain? A short introduction to the product and how to explore.
- Writing Explore writing systems Scripts and how languages are written.
- Meanings Browse word lists Meanings grouped by category for quick comparison.