Membership
Choose a tier to read, download, and chat with Xher, the archive's AI librarian.
Reader
Read any document in the archive, including tier-restricted ones, with no reading-time limit.
Chat with Xher, the archive's AI librarian: ask it to find books by subject, author, or era, get recommendations with a short note on why each one fits, and ask how the archive and memberships work.
Download the fully open public-domain works in the archive.
Learn to code with Xher: every course in the Learn section, starting with the 140-lesson Python Basics, the 140-lesson JavaScript Basics, the 140-lesson SQL Basics, the 140-lesson Python Advanced, the 140-lesson C++ Basics and the new TypeScript Basics, where you write and run real code in your browser, Xher checks each exercise, and your progress is saved to your account.
Downloader
Everything Reader includes: unlimited reading of the whole archive, plus full access to Xher, the archive's AI librarian, with the same book-finding and recommendation abilities.
Also download public-domain and original works that are gated to a paid tier to read, on top of the fully open public-domain works.
A higher download allowance than Reader.
The full Learn section as well: Learn to code with Xher in every course, including Python Basics, JavaScript Basics, TypeScript Basics, SQL Basics, Python Advanced and C++ Basics, with exercises checked as you go and progress saved to your account.