MAMP - MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).
calibre - Ebook manager, viewer & converter
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
FBReader - FBReader is an e-book reader for various platforms. Features:
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.