Image management application
A cross-platform third-party client focused on previews
Practical and minimal image viewer
Unofficial pixiv app
High bit-depth image sequence player built for professional film
Weasis is a web-based DICOM viewer for advanced medical imaging
High dynamic range (HDR) image viewer for people who care about colors
Toolkit for working with and mapping geospatial data
A PDF Reader and Note-taker for OS X
Display, convert, and edit raster image and vector image files
GPS log file viewer and analyzer
A fast way to set photo metadata tags
Jiddu Krishnamurti's Book of Life|Libro de la Vida
Kokua is a V3 based open source metaverse viewer project.
Retro Computer Image Library
Free Photo Booth Software for a simple offline photo booth
Fast, free and customizable picture viewer
A standalone, portable generic Ada package for decoding images
A homebrew image viewer.
YUVviewer is a small tool for developers to preview raw image formats.
Picture manager with focus on meta information (XMP, IPTC, EXIF)
View64 is a image viewer for C64 images