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  1. Multi-platform, fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.

  2. Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.



  3. Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .

  4. With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere. Books, movies, maps, pictures; GoodReader puts it all in a single app, right in your pocket.

    • FreeOpen Source
    • Mac
    • Windows
    • PortableApps.com

    WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options. It uses the free DjVuLibre library to decode DjVu documents.

  5. EBookDroid is an open source (GPL'ed) document viewer for Android based on the VuDroid code base.

  6. Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:

  7. FilesAnywhere offers free 1GB online file storage, with cloud storage solutions for Internet backup, file sharing, secure FTP hosting, and web folders for collaboration. Come enjoy the security of FilesAnywhere.

  8. Upload and share your documents and slides in any format. Free & fast! No registration required. The document viewer is fast, responsive and optimized for mobile devices.

  9. Explore files and folders with list view or grid view. View/edit files with powerful viewers, includes: media player, plist editor, hex editor, text editor, …

  10. FileApp reads many files types such as PDF, Microsoft Office documents, Open Documents and plays multimedia contents. And also stores the files.

  11. The ultimate all-in-one mobile office suite for the iPhone. 8 premium apps in 1. Most essential productivity and business apps in one easy to use, high quality package. Transfer documents to/from your iPhone via FTP or WiFi, Google, or Email.