
Description: PlatformIO is an open-source ecosystem for IoT development. It includes a cross-platform code builder and library manager designed to develop firmware for embedded devices. PlatformIO supports over 450 development boards and external debugging tools out of the box.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: B4R (Basic For Remotes) is a visual programming language designed for quickly building cross-platform apps for mobile devices. It uses a simple drag and drop interface to build apps without coding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API