Alternatives to Skim for Linux with any license

Foxit Reader

Foxit Reader is a free and light-weight multi-platform PDF document viewer. Its core function is compatible with PDF Standard 1.7. Whether you're a consumer...

Free Personal Mac OS X Windows Linux Android iPhone ... Windows RT Android Tablet Windows Phone iPad
PDF annotation Fill PDF Forms Sign PDF files It can open document side by side ... Support for Javascript Multiple languages Edit PDF Portable Scan to PDF Tabbed interface Tablet support Add a feature

1190 Like
Evince

Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS, SyncTex support with gedit, comics books (cbr,cbz,cb7 and cbt). For a...

Free Open Source Linux
Handwriting recognition Lightweight Multiple languages PDF annotation ... Portable Windows Compatible Add a feature

374 Like
Okular

Okular is a universal document viewer based developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc.

Free Open Source Mac Linux BSD
Tabbed interface PDF annotation Fill PDF Forms Text Highlighting Add a feature

170 Like
MuPDF

MuPDF is a lightweight PDF and XPS viewer. The renderer in MuPDF is tailored for high quality anti-aliased graphics. It renders text with metrics and spacing...

Free Open Source Windows Linux Android iPhone iPad ... Xfce
Lightweight Portable Add a feature

70 Like
Master PDF Editor

Master PDF Editor is complete solution for editing PDF and XPS files. You can insert, edit, remove, copy, add images or graphics. Export, import, remove and change page...

Freemium Mac Windows Linux
Multiple languages No registration required Fill PDF Forms Sign PDF files ... Watermarking Add a feature

32 Like
qpdfview

qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added...

Free Open Source Linux Haiku Qt
PDF annotation Fill PDF Forms Tabbed interface Add a feature

33 Like
zathura

zathura is a highly customizable and functional PDF viewer based on the poppler rendering library and the gtk+ toolkit. The idea behind zathura is an application that...

Free Open Source Mac OS X Linux BSD MacPorts Homebrew
No features added Add a feature

26 Like
xournal

Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is free software (GNU GPL) and runs on Linux (recent distributions), Windows...

Free Open Source Windows Linux
PDF annotation Edit PDF Support for Wacom Tablets Add a feature

46 Like
Atril

Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF)...

Free Open Source Linux
Support for Javascript PDF annotation Add a feature

5 Like
ePDFView

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+...

Free Open Source Linux
No features added Add a feature

12 Like
Qoppa PDF Studio

Create, Review and Edit PDF Documents on Windows, Mac OS X, and Linux. PDF Studio is an all-in-one, easy to use PDF editor that provides all PDF features needed at a...

Freemium $ $ $ Mac Windows Linux Android Android Tablet
Batch processing Integrated Search Support for Javascript PDF annotation ... Fill PDF Forms PDF OCR Convert PDF to Word document Scan to PDF Add a feature

29 Like
modern computer flatboat

modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz. Some of flatboat's features are (for other features see the help...

Free Open Source Mac Windows Linux Android
Fullscreen support Support for Keyboard Shortcuts PDF annotation Add a feature

2 Like
- Discontinued The program is no longer updated. Last version, 0.8.32, released in January 2012, can be still downloaded from the official website.
MrWriter_PDF

MrWriter fork. It has the ability to annotate PDF files and has a few other options.

Free Open Source Windows Linux
Handwritten Notes PDF annotation Add a feature

1 Like