Skim Alternatives

Download a free trial of PDF Expert - the best PDF software for your Mac. Enjoy advanced reading layouts, powerful PDF editing and classical annotation tools.

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

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

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Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!

paid Free Trial $12.99 / Monthly (Xodo Pro subscription, 1 user, all platforms included)

MuPDF is a lightweight PDF and XPS viewer.

Open Source

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.

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

Okular is a universal document viewer based developed by KDE.

Zhizhi Reader is a web-based software that helps you to read documents and books easily.

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

A brand new e-reader to better study and digest your books

View PDF documents, annotate them, and take notes without struggle on your tablet devices

Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input fr...

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