There are many alternatives to Adobe Acrobat Reader for Android if you are looking for a replacement. The best open source Android alternative is MuPDF. If that doesn't suit you, our users have ranked more than 100 alternatives to Adobe Acrobat Reader and 13 are open source and available for Android so hopefully you can find a suitable replacement. Other interesting open source Android alternatives to Adobe Acrobat Reader are Linwood Butterfly, Document Viewer, MJ PDF Reader and Secure PDF Viewer.
MuPDF offers a highly versatile PDF, XPS, and eBook interpreter, customizable as a renderer, viewer, or toolkit. Features include digital signatures, redactions, form filling, annotations, and page manipulation, ideal for mobile, eBooks, and embedded apps supporting Java, C++, and Python.
Butterfly is a note-taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.
Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.
The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.
Orion is a pdf, djvu, xps and cbz file viewer for Android devices, based on mupdf and DjVuLibre libraries.
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.
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.
xnotes is a handwriting-first notebook for phones and tablets, built for pen and stylus. Write, sketch and annotate with pressure-sensitive, variable-width ink, and nothing you draw is ever flattened.
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It doesn't have several major features that adobe reader has. MuPDF just open files that's all. no options at all, no resizing, no editing, no change in view, there is nothing.