No features have been listed yet.
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
simavr - a lean and mean Atmel AVR simulator for linux
Oregano - oregano - An electrical engineering tool for GNOME
Yenka - Yenka is a new generation of educational modelling tools from Crocodile Clips.
BlackBoard Circuit Designer - Help building prototypes on so called breadboards easily
PCBWeb - PCBWeb is a 100% free Windows desktop CAD application for designing and manufacturing electronics...