Proteus Professional - software for automated design of electronic circuits. The package is a system of circuit simulation, based on the models of electronic components in PSpice. A distinctive feature of the package Proteus Professional is the possibility of modeling of the programmable devices: microcontrollers, microprocessors, DSP and others. Additionally, the package of Proteus Professional is a system design of printed circuit boards. Proteus Professional can simulate the following microcontrollers: 8051, ARM7, AVR, Motorola, PIC, Basic Stamp. The library contains the components of reference data

Orcad is a comprehensive package that offers PCB designers improved productivity and reduced time to market through full integration of tools and automation tasks. Orcad pcb Suite includes the 4 most desired and contemporary product designers to provide them with all necessary tools and programs in one package. Allegro pcb 16.0 includes Orcad Capture, Pspice A / D Basics, Orcad Layout and SPECCTRA 4U, PCB Designer.

PSPICE is a powerful general purpose analog and mixed-mode circuit simulator that is used to verify circuit designs and to predict the circuit behavior. This is of particular importance for integrated circuits.