MuPDF is described as 'Highly versatile PDF and XPS solution offering customizable rendering and viewing with features like digital signatures, redactions, and annotations' and is a very popular PDF Reader in the office & productivity category. There are more than 100 alternatives to MuPDF for a variety of platforms, including Windows, Android, Mac, Linux and Web-based apps. The best MuPDF alternative is SumatraPDF, which is both free and Open Source. Other great apps like MuPDF are Okular, Foxit PDF Reader, Xournal++ and Evince.
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.
United Kingdom
Open-source PDF viewer and editor using Qt framework, featuring hardware-accelerated rendering, encryption, multithreading, text-to-speech, annotation tools, form filling, high-res monitor support, document compression, audio book conversion, and signature validation.
Czechia
EU
In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.
United States
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.
India
Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.
United States
The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.
ItalyEU
A privacy-first, client-side PDF editor that runs in your browser. Edit, annotate, merge/split, compress to target sizes, OCR scanned PDFs, and convert files—no signup, no watermark.
Pakistan
SlimPDF Reader is a high quality PDF viewer that is only 1.5MB in size. Features and benefits:
United States
PDF Max is a desktop class PDF app for reading, annotating or signing PDF documents on your iPhone/iPad. Mark up documents with highlights and handwriting, insert texts and stamps, fill out, sign PDFs and even manipulate PDF pages.
Discover Feather PDF, the ultimate PDF editor that prioritizes your privacy. Enjoy powerful editing features without data collection and gain lifetime access with a one-time payment.
modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz.
