Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
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.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
Solve Elec - Solve Elec is a free educational program to draw and analyze electrical circuits.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Circuit Simulator - Animated electronic circuit simulator using ideal components to visualize voltage and current.