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