Facebook Page Moderator - Automatically send a custom reply and a private message to every comment across all of your posts...
calibre - Ebook manager, viewer & converter
ManyChat - ManyChat lets you create a Facebook Messenger bot for marketing, sales and support.
FBReader - FBReader is an e-book reader for various platforms. Features:
SocialMate App - SocialMate is #1 Free Comment Growth Tool with many other features for Facebook and Instagram Automation - Chatbot, E-commerce and More.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.