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.
Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
Large - On-demand Slack bot that can get you anything for the office
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
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
LibrePCB - LibrePCB is a free EDA software to develop printed circuit boards.