VPIphotonics offers consulting services for creating customized library extensions to VPIcomponentMaker Photonic Circuits providing circuit-level support of a Process Design Kit (PDK) for various integrated photonics technologies (Indium Phosphide, Silicon, Silicon Nitride, Polymer). These pluggable toolkits support a cost-effective generic foundry approach for application-specific photonic integrated circuits (ASPICs) design.