Unlock Classic Literature, Master Vocabulary
Read timeless public domain books, track your vocabulary growth with integrated definitions and progress tracking, and enhance your English skills.
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How Calugo Works
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1. Choose a Classic
Explore our library of public domain masterpieces and select a book to read.
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2. Read & Define
Click on any unfamiliar word while reading to instantly see its definition and examples.
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3. Track & Learn
Sign up to mark words as known, track your vocabulary progress per book, and save words to flashcards.
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"A reader lives a thousand lives before he dies . . ."
"The man who never reads lives only one."