From the announcement:
FBReader is an e-book reader. It currently works on the Sharp Zaurus, Siemens Simpad with Opensimpad ROM, Nokia Internet Tablet (Maemo platform), Archos PMA430, Motorola E680i/A780/A1200 smartphones, PepperPad 3, Asus Eee PC, IRex iLiad, UMPC, and desktop computers running Linux, Windows XP/Vista, or FreeBSD. It supports several e-book formats: epub, plucker, palmdoc, zTXT, HTML, CHM, fb2, TCR (psion text), OEB, OpenReader, RTF, non-DRM'ed Mobipocket, and plain text.Changes: The ePub format support has been improved: better CSS support has been implemented; the images in an <svg> tag are now visible; a bug in the unzip code has been fixed. Integration with network e-libraries was improved: authorization has been implemented for FeedBooks and Shucang sites. Full localizations for Dutch, Hungarian, and Spanish have been added.