NSCLSpecTcl (pronounced Spectacle) is a powerful nuclear event data analysis too. It provides an object oriented C++ framework for histogramming and other data analysis operations. The Tcl/TK scripting language is embedded as the program's command language, providing the user with a powerful, extensible, command set as well as the ability to build custom graphical user interfaces or extend existing ones. The Xamine display program provides SpecTcl with a powerful visualization component.
http://www.sourceforge.net/projects/nsclspectcl
The author of NSCLSpecTcl is RFox For online documentation see:
http://docs.nscl.msu.edu/daq/spectcl
This project should not be confused with SpecTcl, which is a Tcl GUI builder and worth a look in its own right.