
Description: PrimeSim HSPICE is an integrated circuit simulation and analysis tool used for analog, RF, mixed-signal and custom digital circuit designs. It offers fast and accurate circuit simulation to help engineers test and verify circuit behavior before fabrication.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Gnucap is a free, open-source circuit simulator for Linux, Windows, and Mac operating systems. It allows users to design, test, and analyze analog, digital, and mixed-signal circuits before actually constructing them.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API