Nays2d+ : Quasi 3-dimensional Flow and Bed Deformation Solver https://i-ric.org/yasu/nays2d+/index.html
UTT: Universal Tracer Tracker https://i-ric.org/yasu/UTT_EN/index.html
NaysDw2: Simple 2D Driftwood Tracker https://i-ric.org/yasu/UTT_EN/03/02_Symple_Bend.html#driftwood-tracking-by-naysdw2-and-visualization