
Description: iCircuit is an easy-to-use, interactive circuit simulator and schematic capture tool. It allows anyone to design and simulate circuits quickly and easily.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TinyCAD is a free and open source computer aided design application for 2D drawings. It has basic CAD features like layers, dimensioning, shape tools, and can export to common formats. TinyCAD is lightweight and good for simple diagrams and schematics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API