nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.
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Fast and lightweight Qt-based image viewer with support for Windows, macOS, and Linux. Features include multiple format support, customizable interface, GIF playback, high-resolution display compatibility, and efficient navigation through keyboard shortcuts.
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Offers quick browsing and display of various image formats, basic editing tools like crop, rotate, lossless JPEG manipulation, folder browsing as thumbnails or slideshows, supports XCF, drag-and-drop, metadata viewing, KDE integration, and plugin extensions.
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PureRef was created to be a simple and lightweight tool for artists to organize and view their reference images. Image can be scaled and collage can also be made.
BeeRef lets you quickly arrange your reference images and view them while you create. Its minimal interface is designed not to get in the way of your creative process.
Photos is a digital photograph manipulation application developed by Apple, intended to be less complex than its predecessor iPhoto .
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gThumb is an image viewer and browser for the GNOME Desktop. It also includes an importer tool for transferring photos from cameras.
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Organize, edit, and share your photography and digital media with ease.
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Fly Photos is one of the fastest photo viewers built for Windows, designed as a modern replacement for the now-discontinued Google Picasa Photo Viewer.
A fast, secure, and minimalist C++ image viewer for Windows. It's a single ~82 KB executable with zero telemetry and broad image support.
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You can use the Photos app to view or edit photos and videos in your Pictures library and on OneDrive, and to import photos and videos. The Photos app includes a wide range of editing options to enhance your photos, from automatic fixes to advanced adjustments.
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An image viewer and browser utility - primarily for Linux Mint. Pix is part of the X-Apps project, which aims at producing cross-distribution and cross-desktop software.
