ColorFull
ColorFull is a C++ package for symbolically performing color summed calculations in SU(Nc). As opposed to ColorMath, ColorFull is intended for interfacing with event generators, and can automatically create trace bases.
ColorFull is available at hepforge. The reference manual can be found at the at arXiv, please cite this paper if you use ColorFull for research. For a quick overview of ColorFull, see the ColorFull homepage on hepforge. Technical details are available in the Doxygen documentation on hepforge.