Orion is a pdf, djvu, xps and cbz file viewer for Android devices, based on mupdf and DjVuLibre libraries.
Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Android
- Android Tablet
- F-Droid
- OpenAPK
STDU Viewer Alternatives
STDU Viewer has been discontinued. Similar apps include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, Evince and MuPDF. PDF Readers like STDU Viewer are a crowded field, with more than 50 alternatives for Windows, Linux, Android, Mac and the web.
Alternatives list
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.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- Software as a Service (SaaS)
131 PDF4QT alternativesOpen-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.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Windows
- Linux
- Flathub
Czechia
EU
Edit your PDF files quickly and intuitively. Open, edit, save or convert PDF files with PDFTool – it’s up to you.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Windows
A simple PDF document viewer, in the lines of Evince but without using the Gnome libraries. ePDFView is a free lightweight PDF document viewer using Poppler and GTK+ libraries.
Platforms
- Linux
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Windows
China
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
Italy- EU
7 DjVuLibre alternativesDjVuLibre is an open source (GPL'ed) implementation of DjVu, including viewers, browser plugins, decoders, simple encoders, and utilities.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- BSD
Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Windows
United States
+1
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.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- iPhone
- iPad
+7
Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
Cost / License
- Free
- Open Source (GPL-2.0)
Application type
Platforms
- Linux
The Flipping PDF Reader allows to read PDF documents in user friendly interface with flipping book effect. Good looking and convenient alternative for Adobe PDF Reader.
Platforms
- Windows
Ireland
