码农书籍网

[搬书匠] - 电子书(EBook),计算机类书籍大全，超多国内外著作，想学计算机知识的同学抓紧收藏了！

极客时间电子书

电子书搜索，Giffox 出品!在这里发现更多开放存取的好书.

kdlBook小站-安娜的档案精选书单|mobi图书馆

News and information from libraries & archives about Southeast Asian collections in Europe

Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it. It is a shared academic database.