"These scenarios were subsequently tested by at least four vendors (...). The Polish QWED company came out as a strong winner, after just having presented the first version of their later prizewinning QuickWave FDTD software."
V.V. Yakovlev, Examination of contemporary electromagnetic software capable of modeling problems of microwave heating, Proc. 8th AMPERE Conference on Microwave and RF Heating (Bayreuth, Germany, September 2001), pp. 19-20; full version in: M.Willert-Porada, Ed., Advances in Microwave and Radio Frequency Processing, Springer Verlag, pp. 178-190, or e-version at http://www.wpi.edu/~vadim/project3.html
M. Mirotznik "Conformal EM analysis" - IEEE Spectrum, April 1998, pp. 84-85. A review of QW-3D software ending with the words: "Keep an eye on this one, it promises to be a gem".