
Description: CircuitLab is an easy-to-use, online circuit simulator and schematic capture tool. It allows users to easily create, analyze and share circuit designs with drag-and-drop interface and simulated interactive testing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Fritzing is an open-source electronics design software that allows users to document their prototypes, share designs with others, and order PCBs. It has a breadboard view, schematic view, and PCB view to design and document electronics projects.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API