Calibre
Calibre is a cross-platform free and open-source suite of e-book software. Calibre supports organizing existing e-books into virtual libraries, displaying, editing, creating and converting e-books, as well as syncing e-books with a variety of e-readers. Editing books is supported for EPUB and AZW3 formats. Books in other formats like MOBI must first be converted to those formats, if they are to be edited.
sElfHost Calibre from $0.05/day 
How do I access Calibre?
Calibre will be available from your dashboard (https://<username>.elfhosted.com>), or directly, at https://<username>-calibre.elfhosted.com
Calibre also works with
How do I get support for Calibre?
- For general use of Calibre, refer to the official site or to one of the links below.
- For specific support re your ElfHosted configuration / account, either post a topic in the #elf-forum channel, or call for 1:1 #elf-help.