Oregano
Pspice
Solve Elec
PCBWeb
BlackBoard Circuit Designer
PCB Wizard
McCAD 3SPICE
MacSpice
OnePatch
OnePatch is multi-purpose software solution for e-commerce retailers who sell on multiple online selling platforms. With OnePatch, sellers have the solution to organise their product stock, manage their online orders, shipping and accounts all from one simple and effective system, saving valuable time and expanding business growth.
Oregano
OnePatchPspice - OrCAD PSpice technology provides the best, high-performance circuit simulation to analyze and refine your circuits, components, and parameters before committing to layout and fabrication
Solve Elec - Solve Elec is a free educational program to draw and analyze electrical circuits.
PCBWeb - PCBWeb is a 100% free Windows desktop CAD application for designing and manufacturing electronics...
BlackBoard Circuit Designer - Help building prototypes on so called breadboards easily
PCB Wizard - PCB Wizard 3 is a powerful package for designing single-sided and double-sided PCBs.
McCAD 3SPICE - Mixed Mode Simulation