
Description: BlackBoard Circuit Designer is a free online tool for designing and simulating digital logic circuits. It allows users to build circuits using logic gates like AND, OR, NOT, flip flops, etc. and see the simulation. It is good for education and learning about digital circuits.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PSpice is a software used for simulating and analyzing analog and digital circuits. It allows circuit performance to be simulated before creating a physical prototype, enabling engineers to test and optimize designs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API