The SACAMOS software (State-of-the-Art CAble MOdels for Spice) generates Spice sub-circuits which model the propagation of signals on multi-conductor transmission lines. The models are usable directly in the time domain while taking into account the frequency dependence of the transmission line parameters. They can be used to model cross-talk, common mode to differential mode conversion, signal distortion and field-to-cable coupling. Sub-circuits are generated for Ngspice, LTspice and PSpice.