
Description: NBAndroid is an open-source application that allows you to code, build, and deploy Android apps directly from your browser. It provides a code editor, emulator, debugger, and sample apps to help you get started with Android development without needing to install the Android SDK.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MIT App Inventor is a visual programming tool that allows anyone to build fully functional apps for Android devices. It uses a building blocks interface that enables dragging, dropping and configuring app components without writing code.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API