
Description: LLVM (Low Level Virtual Machine) is an open source compiler infrastructure project that provides reusable components for building compiler front ends and back ends. It uses an intermediate representation that allows for optimization and translation to multiple targets.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Open64 is an open-source compiler technology designed for high-performance computing systems. It supports multiple architectures and operating systems and can optimize code for performance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API