
Description: LTspice is a free circuit simulation software by Analog Devices. It is used for simulating analog and mixed-signal circuits. LTspice allows schematic capture and waveform viewing to verify circuit designs and study circuit behavior.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VoltSim is an open-source electric circuit simulator software for Windows, Mac and Linux. It allows users to easily create and simulate analog and digital circuits with a user-friendly GUI. VoltSim supports analysis of circuits with various types of passive and active components.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API