The most prominent commercial versions of SPICE include HSPICE (originally commercialized by Shawn and Kim Hailey of Meta Software, but now owned by Synopsys) and PSPICE (now owned by Cadence Design Systems).
Наиболее выдающиеся коммерческие версии SPICE: HSPICE (изначально Meta Software, ныне Synopsys) и PSPICE (ныне Cadence Design Systems).