Maestro is an open-source framework that makes UI and end-to-end testing for Android, iOS, and web apps simple and fast.
Write your first test in under five minutes using YAML flows and run them on any emulator, simulator, or browser.

PWABuilder enables developers to quickly and easily to generate store uploadable packages for the Microsoft, Google Play, and iOS App stores.

Maestro is the easiest way to automate UI testing for your mobile app.

Expo is a framework and a platform for universal React applications. It is a set of tools and services built around React Native and native platforms that help you develop, build, deploy, and quickly iterate on iOS, Android, and web apps from the same JavaScript/TypeScript codebase.

Mobile Continuous Integration and Delivery (CI/CD) Platform as a Service (PaaS). It is a collection of tools and services to help you with the development and automation of your mobile software projects.

Lasso is an iOS application architecture for building discrete, composable and testable components both big and small - from single one-off screens, through complex flows, to high-level application structures.

Sonar is a platform for debugging mobile apps on iOS and Android. Visualize, inspect, and control your apps from a simple desktop interface. Use Sonar as is or extend it using the plugin API.

Vue Native is a framework to build cross platform native mobile apps using JavaScript

Flutter is Google’s mobile UI framework for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.

fastlane is the tool to release your iOS and Android app.
It handles all tedious tasks, like generating screenshots, dealing with code signing, and releasing your application.

React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI from declarative components.

Appium is an open source test automation framework for use with native, hybrid and mobile web apps.
It drives iOS and Android apps using the WebDriver protocol.

Open source HTML5 hybrid app framework for PhoneGap & Cordova
Mobile-optimized HTML5, CSS and JavaScript with Web components
Responsive layout, Material and Flat design

An easier, faster way to build apps with React and JavaScript. Built from the ground up to target multiple platforms. Customize every piece of it from colors to styles. Interactive animations brings your apps to life.

HTML5 Boilerplate helps you build fast, robust, and adaptable web apps or sites. Kick-start your project with the combined knowledge and effort of 100s of developers, all in one little package.

The beautiful, open source front-end SDK for developing hybrid mobile apps with HTML5.

ngCordova is a set of AngularJS extensions on top of the Cordova API to make it easier to build, test, and deploy Cordova apps with AngularJS.

HTML5 compatibility on mobile and tablet browsers with testing on real devices

A system for coordinating the activities of users via their mobile phones.

Mobello is high performance javascript UI framework for HTML5 mobile app