Livermore Software Technology (LST, formerly known as Livermore Software Technology Corporation, LSTC) is a provider of explicit dynamics and other advanced finite element analysis technology. The company offers solutions such as LS-DYNA, a general-purpose finite element program capable of predicting a vehicle's behavior and the effects on occupants during a collision; LS-OPT, a design optimization and probabilistic analysis package with an interface to LS-DYNA; etc.