3DimViewer is a lightweight 3D viewer of medical DICOM datasets.
nomacs is a fast and small image viewer
Build your personal cross stitches!
Former project page
Free projection software for churches
Simple and intuitive 2D vector drawing for electronics and not only.
JavaScript-Based Molecular Viewer From Jmol
Interactive designer for Celtic knots
a screenshot and annotation tool
Real-time 3D viewer for LDraw LEGO models with OpenGL acceleration.
Program for manipulating with mind maps
osGraphX is a 3D file viewer based on openscenegraph.
Converts raster images into EPS (Encapsulated Post Script)
Steghide GUI is perfect C++/Qt app for embedding and extracting data