Sigil - Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books in ePub format.
Moopato eBook Writer - Write your eBook Distraction Free and with Markdown and Publish in a Week
Vellum - Free beautiful hand-curated wallpapers for the iPhone
Jutoh - Epub editor, convertor and creator software for Mac and PC.
Papyrus Editor - Papyrus is a simple online editor to create ebooks.
Wondershare Player - Wondershare Player for Android makes it easy to play online and local videos and audio on Android phones. than other players like mx, bs, mobo etc.