
Description: B4X is a cross-platform development tool that allows developers to write apps in Basic language and deploy to Android, iOS, Windows, Linux, MacOS and Raspberry Pi. It provides a simple IDE and powerful frameworks for building GUI, accessing device features, remote communications, databases, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MoSync is an open-source mobile application development platform that allows developers to write mobile apps in C/C++ and deploy to multiple platforms like Android, iOS, Windows Phone and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API