Sigil EPUB editor finally reaches 0.8.x release recently with new feature Plugin Support and various bug fixes. Here I’ll show you how to install it in Ubuntu 14.04, Ubuntu 14.10 and their derivatives.

Sigil is an open-source editor for EPUB e-books, works in Windows, Mac OS X, and Linux. It supports both WYSIWYG and code-based editing of EPUB files, as well as the import of HTML and plain text files.

Sigil features:

• Full UTF-16 and EPUB 2 specification support
• Multiple views: book, code and preview view
• WYSIWYG editing in book view
• Table of contents generator with multi-level heading support
• Metadata editor with full support for all metadata entries
• Spell checking with default and user configurable dictionaries
• Full regular expression (PCRE) support for find and replace
• Supports import of EPUB and HTML files, images, and style sheets,
• FlightCrew EPUB integration for EPUB compliance validator
• Integrated API to external HTML and graphics editors

Screenshots:

How to Install Sigil 0.8.2 in Ubuntu:

The developer does not provides the binary packages of Sigil ebook editor for Ubuntu Linux, but there’s a third-party PPA contains the latest builds (Sigil 0.8.2 so far) for Ubuntu 14.04 LTS and Ubuntu 14.10.

To add the PPA and install Sigil, press Ctrl+Alt+T on keyboard to open terminal. When it opens, run commands below one by one:

sudo add-apt-repository ppa:i2p.packages/i2p

sudo apt-get update

sudo apt-get install sigil

For those who don’t want to add PPA, grab the .deb package directly from the PPA page and click to open it with Software Center and finally install the software.

(Optional) To remove the PPA as well as sigil epub editor:

sudo add-apt-repository -r ppa:i2p.packages/i2p && sudo apt-get remove sigil