GLScene Engine for Delphi & C++Builder VCL Windows 32/64
SADSA (Software Application for Data Science and Analytics)
CueMol - Molecular Visualization Framework
Model-view-presenter and model-view-intent library for modern Android
Semantics Visualization for Information Visualization and Analysis
Portable Ubuntu Linux for Scientific Computing
9-Octave Chromatic Tuner
PixelLight is a cross-platform application framework
A cross-platform OpenGL based lightweight scenegraph library
... the open-source glide computer