gThumb
gThumb is an image viewer and browser for the GNOME Desktop. Features Image Viewer
19 Alternatives To gThumb
ACDSee
ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won’t take up much space on your system.
ACDSee Photo Studio
ACDSee becomes ACDSee Photo Studio — ACDSee Photo Studio Standard 2018 continues the ACDSee legacy
Adobe Photoshop Lightroom CC
Adobe Photoshop Lightroom CC is a commercial photo processor and image organizer.
Apple Mail
There’s big news attached.
Eye of Gnome (eog)
Simple image viewer for the GNOME desktop.
FastStone Image Viewer
FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
GIMP
GIMP is a multiplatform photo manipulation tool.
Gwenview
Gwenview is an image viewer for KDE.
Image Eye
Simplistic Image Viewer with focus on speed of rendering and switching between images.
ImageGlass
You can use Image to view your digital images and photos of many different formats.
Imagine
Imagine is an Image & Animation Viewer for Windows with screen capture function.
Photoscape
high quality photo editing software, that enables you to fix and enhance photos.
Shotwell
Shotwell is an open source photo organizer designed for the GNOME desktop environment.
Xee
Xee lets you easily browse and manage images on your Mac. Browse images within folders and archives, move and copy them right in the app.
XnView MP
XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Zoner Photo Studio
Zoner Photo Studio is a feature-rich image viewer and image organizer software.
digiKam
digiKam - digiKam
feh
feh is an X11 image viewer aimed mostly at console users.
nomacs
nomacs is a free, open source image viewer, which supports mu