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 via plugins.

Arcane Marks is described as 'Redact & Annotate images. Hide or mark up essential parts of your image by simply clicking and dragging on it' and is an app. There are more than 100 alternatives to Arcane Marks for a variety of platforms, including Windows, Mac, Linux, Android and Flathub apps. The best Arcane Marks alternative is Okular, which is both free and Open Source. Other great apps like Arcane Marks are IrfanView, XnView MP, ImageGlass and nomacs.
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 via plugins.

QuickViewer is a graphic image viewer for comfortable browsing of many images. This software performs reading of image data in advance. And drawing the imported image data on the screen with OpenGL. You can browse images with much smoother response than ever before.




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) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:




feh is an X11 image viewer aimed mostly at console users. Unlike most other viewers, it does not have a fancy GUI, but simply displays images. It is controlled via commandline arguments and configurable key/mouse actions.



Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems.



Provides editing of text, images, and objects in PDFs, annotation options, OCR for scanned files, conversion to multiple formats, form filling and signing, page management, merging and splitting, cloud integration, camera to PDF functionality, and sharing tools.




NX Studio is a computer software that allows users to enjoy the viewing, processing, and editing of still images and video, and provides more intuitive operation.



Seamlessly browse and share images directly from your menu bar application, with support for tagging, searching, and drag-and-drop functionality. Experience full keyboard control and effortless integration with the pasteboard, enabling automatic image collection and streamlined workflows.



Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.




In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.

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.
