Murasaki is an EPUB reader application that has simple user interfaces and various features (CANNOT open DRM-encrypted EPUBs)

Key Features:

* Scrolling
Murasaki is a scroll-based reader like usual web browers, not a page flip-based reader like iBooks.

* Pagination View Mode (horizontal writing mode only)
Murasaki supports the pagination view mode. This is a hybrid view mode which has both a free scrolling and a snapping to column (horizontal writing mode only).

* Swipe Navigation
Murasaki supports two-finger swipe gesture to move between contents (Mac OS X 10.7+). To read through an EPUB, use scroll and swipe gestures on trackpad.

* Multi Windows
Murasaki can open different EPUBs in multiple windows. Moreover Murasaki can open different parts of one EPUB in multiple windows at once.

* Popover
By opening a link in a popover, you can check a related page, footnote, and so on quickly without moving page (Mac OS X 10.7+).

* Image Panel
By opening images in panels, you can read through text with reference to these images.

* Searching
You can search a word that is contained in a EPUB.

* Bookmarking
You can bookmark, and can refer these pages later.

* Full Screen
By entering full screen mode, you can view the EPUB contents in full screen (Mac OS X 10.7+).

* User Style Sheet
Murasaki can apply user style sheets.

* Popover Dictionary
You can look up a word in popover dictionary.

* Spotlight / Quick Look
Murasaki includes Spotlight and Quick Look plug-ins for EPUB. You can search and preview EPUBs in Finder