The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Android
- HUAWEI AppGallery
- F-Droid
- Kindle Fire

Drawboard PDF is described as 'The top AEC PDF app to markup and manage drawings and documents. Ideal for replacing pen and paper, avoid printing documents again by using our intuitive feature set that makes marking up a PDF easy. Open or create a new PDF, markup using our extensive array of tools, then save' and is a PDF Reader in the office & productivity category. There are more than 50 alternatives to Drawboard PDF for a variety of platforms, including Windows, Linux, Mac, Android and Web-based apps. The best Drawboard PDF alternative is Okular, which is both free and Open Source. Other great apps like Drawboard PDF are Foxit PDF Reader, Xournal++, Excalidraw and Evince.
The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.

Offers viewing, searching, printing, and text copying for PDF files on Android. Streamlined for quick access and on-the-go use, optimized for work environments without Drive integration, lightweight, free, and requires minimal permissions.




SpeedyNote is a fast, open-source note-taking application designed for stylus users who need iPad-quality annotation on budget hardware. Built with native C++ and Qt, it delivers 360Hz stylus input on hardware as modest as an Intel Celeron N4000 at 1.



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.




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.




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





Notetaking and blackboard replacement application. Inspired by Xournal. Written in C++/Qt for Linux / Windows / Mac.



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




Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
Shelf is a convergent document viewer that supports PDF and EPUB files. With Shelf, you can organize your document collection by creating tags, like other Maui applications.


