The Accademia of Leonardo’s notebooks.
Forty dollars a year.

• Ask the notebooks
• Read in French, German, Spanish
• Your notebook — save pages, keep notesNow
• Typeset editions, as e-booksNow
• Full-resolution archivesNow
• API key at 10,000 / dayNow
• Founding Patron MemberNow

The library is free, always — every scan, Leonardo’s Italian and the English Reader’s Edition, for everyone. Patron unlocks the Accademia: the services built on top of it. Building on the API? The Developer plan is $99 a year with 100,000 / day requests and everything here.