Top Document Viewer Alternatives for Enhanced Document Management
Document Viewer is a popular and highly customizable document viewer for Android, boasting support for various formats like PDF, DjVu, EPUB, XPS, CBZ, and FictionBook. It even facilitates collaboration with electronic publication sites and online ebook catalogs via the OPDS protocol. However, for users seeking different functionalities, broader platform support, or more specific features, exploring a robust Document Viewer alternative can significantly enhance their document management experience.
Best Document Viewer Alternatives
Whether you're looking for a lightweight reader, a comprehensive e-book manager, or a feature-rich PDF editor, there's a Document Viewer alternative out there for you. Here are some of the top contenders:

SumatraPDF
SumatraPDF is a slim, free, and open-source PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI/FB2 viewer available for Windows. It stands out as a great Document Viewer alternative due to its minimalistic design, lightweight nature, and low memory usage. Key features include a tabbed interface, high performance, a highlighter, and portability, making it ideal for users who prioritize speed and efficiency.

calibre
Calibre is a free and open-source e-book library management application available across multiple platforms including Mac, Windows, Linux, and BSD. As a comprehensive Document Viewer alternative, it offers extensive features like a built-in e-Book converter, viewer, editor, and robust book organization. Calibre is perfect for users with large e-book collections who need powerful management and conversion capabilities.

Foxit Reader
Foxit Reader is a free PDF software available on Mac, Windows, Linux, Android, and iPhone, enabling users to create, annotate, share, and collaborate on PDF documents. This Document Viewer alternative is known for being lightweight and offers valuable features like PDF annotation, form filling, PDF signing, and the ability to scan documents to PDF, making it a versatile tool for everyday use.

Evince
Evince is a free and open-source document viewer for Linux that supports a multitude of formats including PDF, Postscript, DjVu, TIFF, DVI, XPS, and various comic book formats (cbr, cbz, cb7, cbt). Its lightweight design and PDF annotation capabilities make it a strong Document Viewer alternative, especially for Linux users seeking a versatile and efficient reading experience.

Okular
Okular is a universal document viewer developed by KDE, offering free and open-source functionality across Linux, Windows, Mac OS X, and BSD. As a robust Document Viewer alternative, it boasts features like PDF annotation, lightweight operation, low memory usage, and text highlighting. Okular is highly regarded for its comprehensive format support and user-friendly interface.

Adobe Acrobat Reader DC
Adobe Acrobat Reader DC is a powerful freemium software for viewing, printing, and annotating PDFs, available on Mac, Windows, Android, iPhone, and Chrome OS. It's connected to Adobe Document Cloud, making it a comprehensive Document Viewer alternative for creating and editing PDFs, signing documents, and syncing across devices. It's ideal for users who need extensive PDF manipulation features.

FBReader
FBReader is a freemium e-book reader available on Mac, Windows, Linux, Android, and iPhone. Supporting ePub and other formats, it offers useful features like multiple languages, night mode, and sync between devices. As a Document Viewer alternative, FBReader excels in providing a comfortable reading experience, especially for e-books.

Amazon Kindle
Amazon Kindle software is a free application that allows users to read ebooks across various devices including Kindle, iPhone, iPad, PC, Mac, BlackBerry, and Android. It functions as an excellent Document Viewer alternative for avid readers, offering features like annotations, flashcard review, and seamless e-book cloud sync across devices.

PDF-XChange Viewer
PDF-XChange Viewer (now replaced by PDF-XChange Editor) was a freemium PDF viewer for Windows known for its robust PDF annotation, OCR capabilities, and lightweight design. As a strong Document Viewer alternative, it offered features like customizable interface, side-by-side view, and multiple languages, catering to users who need advanced PDF editing and viewing tools.

MuPDF
MuPDF is a free and open-source, lightweight PDF and XPS viewer available on Windows, Linux, Android, iPhone, and iPad. Its renderer is tailored for high-quality anti-aliased graphics, making it an excellent Document Viewer alternative for those who prioritize rendering fidelity. Features include cross-platform compatibility, portability, and Vim key mapping.
Ultimately, the best Document Viewer alternative depends on your specific requirements. Whether you prioritize open-source software, a feature-rich experience, platform compatibility, or a lightweight design, exploring these options will help you find the perfect fit for your document viewing needs.