# Private and open-source alternatives to Adobe Acrobat Reader

Also covers Adobe Reader.

1. [Okular](https://privacyratings.com/pdf-tools/okular/): B (80/100). KDE document viewer for PDF, EPUB, DjVu, comic books and other formats, with annotations, form filling and digital signatures.
2. [Papers](https://privacyratings.com/pdf-tools/papers/): B (80/100). GNOME's document viewer for PDF, DjVu, TIFF and comic book files. It is the successor to Evince.
3. [PDF Arranger](https://privacyratings.com/pdf-tools/pdf-arranger/): B (80/100). Desktop app for merging, splitting, rotating, cropping and reordering the pages of PDF documents through a drag-and-drop interface.
4. [Xournal++](https://privacyratings.com/pdf-tools/xournal/): B (80/100). Handwriting note-taking app that also annotates PDF files with pen, highlighter, text and shapes, with support for pressure-sensitive tablets.
5. [Zathura](https://privacyratings.com/pdf-tools/zathura/): B (80/100). Minimal, keyboard-driven document viewer with Vim-like key bindings. PDF, PostScript, DjVu and comic book support comes from plugins.
6. [SumatraPDF](https://privacyratings.com/pdf-tools/sumatrapdf/): C (65/100). Lightweight reader for PDF, EPUB, MOBI, XPS, DjVu and comic book files on Windows, available as an installer or a portable app.
7. [MuPDF](https://privacyratings.com/pdf-tools/mupdf/): D (50/100). PDF, XPS and e-book rendering library from Artifex, with a lightweight viewer, command-line tools and bindings for Python, JavaScript and .NET.
8. [Stirling PDF](https://privacyratings.com/pdf-tools/stirling-pdf/): D (50/100). Open-core PDF toolkit that runs as a desktop app, in the browser or on a self-hosted server, with tools to merge, split, convert, OCR, sign and redact PDFs.

Source: https://privacyratings.com/alternatives/adobe-acrobat-reader/