EPUB

Columns: Software | License | Platform | DRM formats supported | Notes
Adobe Digital Editions | Proprietary | Microsoft Windows , Apple Mac OS X | Adobe Content Server | Requires online activation for ePub files with DRM | Aldiko | Proprietary | Android | Adobe Content Server | Supports ePub for Android devices | Apple Books | Proprietary | OS X , iOS | FairPlay | Supports EPUB 2 and EPUB 3 . Books not readable directly on computers other than Macs | AZARDI | Freeware | Windows , OS X , Linux , Android , Apple iOS | proprietary ackage obfuscation | Supports ePub 3 , ePub 2 . Fixed Layout , SMIL , DRM , MathML , Online and Mobile versions are available when used with AZARDI : Content Fulfilment Server | Bluefire Reader | Proprietary | Apple iOS , Android | Adobe Content Server | Supports ePub for Android and iOS devices | calibre | GPL | Windows , OS X , Linux | None | Primarily for library management , conversion , and transferring to devices , it includes an EPUB reader and editor . About . Calibre . .mw-parser-output cite.citation { font-style : inherit } .mw-parser-output .citation q { quotes : \\ '' } .mw-parser-output .id-lock-free a , .mw-parser-output .citation .cs1-lock-free a { background : url ( //upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png ) no-repeat ; background-position : right .1em center } .mw-parser-output .id-lock-limited a , .mw-parser-output .id-lock-registration a , .mw-parser-output .citation .cs1-lock-limited a , .mw-parser-output .citation .cs1-lock-registration a { background : url ( //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png ) no-repeat ; background-position : right .1em center } .mw-parser-output .id-lock-subscription a , .mw-parser-output .citation .cs1-lock-subscription a { background : url ( //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png ) no-repeat ; background-position : right .1em center } .mw-parser-output .cs1-subscription , .mw-parser-output .cs1-registration { color : # 555 } .mw-parser-output .cs1-subscription span , .mw-parser-output .cs1-registration span { border-bottom:1px dotted ; cursor : help } .mw-parser-output .cs1-ws-icon a { background : url ( //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png ) no-repeat ; background-position : right .1em center } .mw-parser-output code.cs1-code { color : inherit ; background : inherit ; border : inherit ; padding : inherit } .mw-parser-output .cs1-hidden-error { display : none ; font-size:100% } .mw-parser-output .cs1-visible-error { font-size:100% } .mw-parser-output .cs1-maint { display : none ; color : # 33aa33 ; margin-left:0.3em } .mw-parser-output .cs1-subscription , .mw-parser-output .cs1-registration , .mw-parser-output .cs1-format { font-size:95% } .mw-parser-output .cs1-kern-left , .mw-parser-output .cs1-kern-wl-left { padding-left:0.2em } .mw-parser-output .cs1-kern-right , .mw-parser-output .cs1-kern-wl-right { padding-right:0.2em } | Microsoft Edge | Proprietary | Windows 10 | Microsoft Edge will end support for e-books that use the .epub file extension over the next several months . August 30 , 2019 - KB4512941 | EPUBReader | Proprietary | Mozilla Firefox | None | Firefox add-on , so runs on any OS that Firefox runs on . EPUBReader home page | FBReader | Proprietary | Windows , Linux , Android , PDAs , OS X | None | Google Play Books | Proprietary | Web application , Android , Apple iOS | Lektz DRM | Supports downloading purchased books as ePub and/or PDF

Example questions:
What is the DRM format for the EPUB reading software formerly known as iBooks ? | What is the platform for the EPUB reading software originally written for the Sharp Zaurus ? | Who originally wrote the license for the EPUB reading software calibre ? | What is the license of the EPUB reading software that supports PostScript files if Ghostcript is installed ?

Answers:
Fairplay | PDAs | Richard Stallman | GPL