Digital - A simulator for digital circuits.
LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
BOOLR - Open-source digital logic simulator
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
Logicly - - Design circuits quickly and easily with a modern and intuitive user interface with drag-and-drop...