"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."
P. O. Risman, Microtrans AB
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".