pViewer, a small and fast image viewer. Because less is more.
WinDjView Extended is a DjVu viewer WinDjView with some extra features
Viewer / Extractor for compressed HTML in the Mozilla Archive Format
Open source software for processing XTF files
Simple STL viewer
Android comic book reader/Image archive viewer. Simple yet comfy.
A homebrew image viewer.
YUVviewer is a small tool for developers to preview raw image formats.
Image viewer/editor specialized in astrophotography 16bits processing
An open source application to load and visualize Cal3d files