myOpenLab - MyOpenLab is a platform for finished elements (program components) that can be linked together.
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
PyLab_Works - PyLab_Works is a free and open source replacement for LabView + MatLab, written in pure Python.
Circuit Simulator - Animated electronic circuit simulator using ideal components to visualize voltage and current.
LabVIEW - LabVIEW offers many of the functions you'd find in a traditional script-based programming language presented in a more intuitive visual interface ideal fo engineering.
VeroRoute - Cross-platform software for producing Veroboard (stripboard), Perfboard, and single-sided PCB...