Best Nitro Reader Alternatives (2020)

Foxit Reader

Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Sumatra PDF

Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
PDF Reader X

PDF Reader X is a nest in the class PDF reader, PDF annotator and PDF editor for the Mac OS X operating systems.
PDF-XChange Viewer

PDF-XChange Viewer is an alternative viewer for PDF files that enables you to view and annotate PDF...
Evince

Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS...
Adobe Acrobat DC

Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Xodo

Xodo is the ultimate cross-platform PDF viewer and annotator. And it’s 100% free.
Okular

Okular is a universal document viewer based developed by KDE.
MuPDF

MuPDF is a lightweight PDF and XPS viewer.
PDF-XChange Editor

The smallest, fastest, most feature-rich PDF editor/viewer available
STDU Viewer

Are you tired from many viewers one for each document?
Foxit PhantomPDF

Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.