Top Alternatives to gThumb

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.

XnView MP is the enhanced version of XnView Classic. It is a powerful cross-platform media browser, viewer and converter.

PhotoScape is a fun and easy photo editing software that enables you to fix and enhance photos.

Shotwell is an image organizer designed to provide personal photo management for the GNOME desktop environment.

digiKam is a free and open-source image organizer and tag editor written in C++ utilizing the KDE Platform.

ACDSee is an image organizer, viewer, and image editor programs for Windows, macOS and iOS.

Preview is the image viewer and PDF viewer of the macOS operating system.

F-Spot is an unmaintained image organizer, designed to provide personal photo management for the GNOME desktop environment.

Gwenview is an image viewer for Linux, released as part of the KDE Applications bundle.

Zoner Photo Studio is a bitmap editor and image file manager is one of the most widely used programs for editing digital photographs.

Imagine is an image and animation viewer for Windows.

Geeqie is a lightweight Gtk+ based image viewer for Unix like operating systems.

Eye of GNOME is the official image viewer for the GNOME desktop environment, where it is also known as Image Viewer.

ImageGlass is a lightweight, versatile image viewing application that is designed to take the place of Photo Viewer in Windows.

Mylio is a photo organizer that slays your digital clutter.

Phototheca is a free photo organizing software makes it easy to view, sort, and organize photos.

FastStone Image Viewer is an image viewer and organizer for Microsoft Windows, provided free of charge for personal and educational use.

Universal Viewer is an advanced file viewer for wide range of formats.

PhotoQt is a simple, yet powerful and good looking image viewer, written in C++/Qt, published as open-source, and completely free.

Ristretto Image Viewer is an application that can be used to view, and scroll through images.

Image Eye is a specialized image viewer, made for the sole purpose of viewing images as quickly and practically as possible.

Viu 2 is a free image viewing/browsing software.

ImBatch is a batch image processing software.