
Description: VPSSIM is an open-source power system simulation software. It allows users to model and simulate electrical power systems with detailed component models. VPSSIM is used for research, education, and analysis of power system operations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SlickStack is an open-source website builder and hosting platform optimized for speed and security. It allows anyone to easily create fast, scalable websites and web apps without coding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API