Cost / License
- Free
- Open Source (GPL-2.0)
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Flathub


Adobe Acrobat Reader is described as 'View, annotate, and collaborate on PDFs, utilize cloud storage and freehand tools. Upgrade for editing and converting to other formats' and is a very popular PDF Reader in the office & productivity category. There are more than 100 alternatives to Adobe Acrobat Reader for a variety of platforms, including Windows, Web-based, Linux, Mac and Android apps. The best Adobe Acrobat Reader alternative is SumatraPDF, which is both free and Open Source. Other great apps like Adobe Acrobat Reader are Okular, Foxit PDF Reader, Evince and Firefox PDF Viewer (PDF.js).


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.





Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.




PDFLiner is the all-in-one online platform for working with PDF documents. Here, you can upload any PDF or Image and edit it in just a few seconds. With PDFLiner you edit your PDF files as well as sign them electronically and protect them with password and watermark if needed.




PDFLiner is the most popular SaaS alternative to Adobe Acrobat Reader.
EBookDroid is an open source (GPL'ed) document viewer for Android based on the VuDroid code base.


ezPDF Reader is a PDF viewer with some powerful features such as TTS (Text-to-Speech), annotations and PDF forms.



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.

PDFChef enhances document management with cross-platform support on PC, Mac, iOS, and browsers. It offers text-editing, page rearranging, conversion tools, and cloud-based sharing. Supporting various file formats, it also enables users to add signatures directly to PDFs for swift document finalization.




The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.

RAD PDF is a website component and online interface for editing, filling, signing, and viewing PDF documents. This ASP.NET technology offers your users a free PDF editor, ready for integration with your web application.

Edit your PDF files quickly and intuitively. Open, edit, save or convert PDF files with PDFTool – it’s up to you.



Gorgeous and lightweight, top-notch FOSS alternative to the very invasive Adobe PDF softwares.