AgO introduced AnXplorer, which is a circuit optimization tool for analog and RF design. Its optimization is based on either simulation or equations. The tool works with industry standard SPICE netlists and supports industry standard simulators including Synopsys HSPICE, Cadence Spectre and Legend Design Technology MSIM. It runs on the Linux operating system. Starting with an unsized SPICE netlist, variables for device dimensions and a set of design objectives and constraints, AnXplorer optimizes device sizes by exploring the design space.