
Description: Logisim Evolution is an open-source digital logic circuit simulator and designer that allows users to build and simulate circuits. It can be used for educational purposes to learn about digital logic as well as prototyping circuit designs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: simulator.io is a cloud-based simulation platform that allows users to model, simulate, and analyze complex systems. It provides an intuitive drag-and-drop interface to build simulations without coding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API