MuPDF is a free and open-source software framework written in C that implements a PDF, XPS, and EPUB parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks. Developed by Artifex Software, Inc.
License: Open Source
MuPDF is a lightweight and open-source PDF viewer with basic annotation capabilities, making it ideal for quick viewing and light editing. In contrast, Adobe Acrobat Reader DC offers comprehensive editing and annotation tools, cloud integration, and robust security features, making it more suitable for professional and business use cases.