Pspice - 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
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Solve Elec - Solve Elec is a free educational program to draw and analyze electrical circuits.
Invision - Prototyping and collaboration for design teams
PCBWeb - PCBWeb is a 100% free Windows desktop CAD application for designing and manufacturing electronics...
Sketch - Professional digital design for Mac.