Book Shelf 2.0	http://book.mvnsearch.org/	-
IT eBooks	http://www.it-ebooks.info/	IT eBooks - Free Download IT eBooks
免费的编程中文书籍索引	https://github.com/justjavac/free-programming-books-zh_CN	-
Read the Docs	https://readthedocs.org/	-
Sphinx	http://sphinx-doc.org/	Python Documentation Generator
no starch press	http://www.nostarch.com/	-
AOSA	http://aosabook.org/	The Architecture of Open Source Applications

epublib

https://github.com/psiegman/epublib

a java library for reading and writing epub files

Scalable Web Architecture and Distributed Systems