FBReader offers a plugin system and currently has plugins to support: local area network scan, text to speech, and litres.ru integration. You can use your own fonts with FBReader, but this particular ebook reader does ignore the <i> tag.
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Jack Wallen is an award-winning writer for TechRepublic and Linux.com. He’s an avid promoter of open source and the voice of The Android Expert. For more news about Jack Wallen, visit his website getjackd.net.