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Earth orbits and satellite coverage display in 3D on your laptop.
SaVi - simulate Starlink, Iridium, Globalstar, O3b, GPS, Galileo and other satellite constellations, modify them, or design your own. Requires Tcl/Tk and Unix libraries; 3D viewing option requires Geomview running on X Window.
SpecTcl is a Tcl/Tk based histogrammer suitable for analysis of nuclear physics data. SpecTcl is relatively easy to learn, and is based on top of a very open C++ histogramming class framework.
SpecTcl has been developed under NSF grant PHY-9528844 and DOE grant DE-SC0000661
Note that as of July 2023, all future development and release packages will be occur at https://github.com/FRIBDAQ/SpecTcl
PyMOL is an OpenGL based molecular visualization system
The Open-Source PyMOL repository has been moved to github:
https://github.com/schrodinger/pymol-open-source
We still use the pymol-users mailing list here on sourceforge. Please subscribe for community support: https://pymol.org/maillist (Note: SourceForge email newsletter and special offers are optional and can be unchecked)
The PyMOL community wiki has its own home:
https://pymolwiki.org/
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ProcessViewBrowser & ProcessViewServer represent an OpenSource attempt to industrial process visualization. It is based on Qt and is very portable. (Now also available as commercial software)
decida is [de]vice & [ci]rcuit [d]ata [a]nalysis. It is used for electron device characterization, procedural simulation/analysis of electronic circuits, or more general data analysis tasks.
Open Source and Portable object oriented software for 3D digital image segmentation and visualization. Pipes and Filters Architechture.
Implemented in C++, and uses FLTK, VTK, ITK, TCL (plugins), and pipeline filters implemented in XML. DICOM support.
Ytk is a Tcl/Tk program which adds menus, buttons and features to the basic command line driven Yorick program and language. It also enables usage of all Tcl/Tk widgets and functions including buttons, sliders, checkboxes, and other typical TK widgets to
The 3D Slicer is freely available, open-source software for visualization, registration, segmentation, and quantification of medical image data. Follow the link for more info: http://slicer.org