The world’s largest open-source open-data library. ⭐️ Includes Sci-Hub, Library Genesis, Z-Library, and more. 📈 19,348,010 books, 86,614,159 papers, 2,379,209 comics, 508,527 magazines — preserved forever.
They index results from five sources and update the main ones (two LibGen forks) monthly. They mirrored the Z-Library database before the website was seized (end of November 2022), indexed the new .onion addresses and haven’t updated the dataset since because they’re waiting for the situation to stabilize in order to figure out a way to regularly fetch new stuff from there too, as far as I know