下載書的家(sites for Shared books)

英文： 

PDF Drive https://www.pdfdrive.com/ 

Project Gutenberg https://www.gutenberg.org/ 

LibGens https://libgen.ee/ 

Palanete Book https://www.planetebook.com/ 

中文： 

书籍知识库 https://www.zhishikoo.com/ 

鸠摩搜书 https://www.jiumodiary.com/ 

书享家 https://www.shuxiangjia.cn/ 

苦瓜书盘 https://www.kgbook.com/ 

雅讀

日语： 青空文库 https://www.aozora.gr.jp/