XnViewMP is a free software to view, organise, convert graphics and photos files or to create slide show, contact sheet, HTML pages.
XnView MP vs Zoner Photo Studio X opinions
Pretty same stuff in rolldown menus, for free, for a long period a time
digiKam is an advanced digital photo management application which makes importing and organizing digital photos a "snap". The photos are organized in albums which can be sorted chronologically, by folder layout or by custom collections.
Qt5 image viewer with optional video support. Contribute to easymodo/qimgv development by creating an account on GitHub.
"DEVELOPMENT IS ON HOLD INDEFINITELY (russian invasion of my country)" - Developer
Ente is a simple app to automatically backup and organize your photos and videos.
gThumb is an image viewer and browser for the GNOME Desktop. It also includes an importer tool for transferring photos from cameras.
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.
The latest version (1.1.8) was released in December 2019.
Corel AfterShot Pro is fast, flexible digital photography workflow software that combines powerful photo management, advanced non-destructive editing and complete RAW processing.
Fragment is an image viewer with cool features like: Upload and Share, HUD User Interface, Peeking and Skimming, Animated GIFs, History, Thumbnails, Fill View and it is fast!
- Fast startup, image loading and on-screen navigation, using OpenGL;
Picturama is a free and open-source image organizer for the desktop built on Electron and powered by web technology.Discontinued
the latest release is build in 29 Sep 2020