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


Xpdf is described as 'Free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. Most of the tools are available as open source' and is a PDF Reader in the office & productivity category. There are more than 50 alternatives to Xpdf for a variety of platforms, including Windows, Linux, Android, Mac and iPhone apps. The best Xpdf alternative is SumatraPDF, which is both free and Open Source. Other great apps like Xpdf are Okular, Foxit PDF Reader, Evince and MuPDF.
EBookDroid is an open source (GPL'ed) document viewer for Android based on the VuDroid code base.


A simple PDF document viewer, in the lines of Evince but without using the Gnome libraries. ePDFView is a free lightweight PDF document viewer using Poppler and GTK+ libraries.

Panels is a CBR/CBZ/PDF comic reader for your iPhone and iPad devices. Enjoy reading your comics in a clean and delightful interface.



Edit your PDF files quickly and intuitively. Open, edit, save or convert PDF files with PDFTool – it’s up to you.



AI powered productivity tool for reading, understanding and taking notes on PDFs and long websites. Users can search, summarise, extract and define keywords, ask google-search type questions and be taken straight to the answers.




Genei is the most popular SaaS alternative to Xpdf.
PDF Viewer Pro is a fast and beautiful app, allowing you to view, search, and annotate PDF documents with ease on your iPhone and iPad.





PDF X is a productive PDF reader & editor for Windows. It's powerful for users to view, print, edit, and annotate Adobe Acrobat PDFs.




Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.
PrivatePDF is a free web tool that lets you make quick PDF edits from within your web browser, without uploading anything anywhere.




PrivatePDF is the most popular Self-Hosted alternative to Xpdf.
Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.




Bookworm is a document reader that allows you to read more than 15 document formats including PDF, EPUB, and MOBI using a versatile, yet simple, and highly accessible interface.
