Console-based user interface toolkit for .NET applications
Open source JavaScript SDK for viewing high-detail 3D BIM
ECG Toolkit support for: SCP-ECG, DICOM, HL7 aECG, ISHNE & MUSE-XML
General data-reduction tool for fiber-fed integral-field spectrographs
Scientific Visualisation Made Easy
fl_toadflax is a viewer/editor for abc music notation files
Xj3D is an open-source Java codebase for the X3D Graphics standard.
graphical front-end for editing/transposing abc music files
Rayshade raytracer
IDLE Extensions
Diagnostic hal toolkit for Linuxcnc and derivates
GUI for updating PDF bookmarks using PDF Toolkit (PDFtk) on Windows
Coin3D Windows GUI Library
PyVE is image analysis and visualization environment
Benkyou Studio is a Language study toolkit.
Xtra Lightweight Image Viewer
An open source toolkit for real space missions
Tiny Linux desktop distribution in just 14 MB