gtkwave: GTKWave (GTK2+ Wave Viewer) gtkwave: gtkwave: GTKWave is a fully featured GTK+ based wave viewer for Unix and gtkwave: Win32 which reads LXT, LXT2, VZT, FST, and GHW files as well as gtkwave: standard Verilog VCD/EVCD files and allows their viewing. gtkwave: gtkwave: gtkwave: gtkwave: gtkwave: gtkwave: