Angular.io - Angular is a JavaScript web framework for creating single-page web applications. The code is free to use and available as open source. It is further maintained and heavily used by Google and by lots of other developers around the world.
WompMobile - WompMobile offers tow kind of functions – first creating new mobile apps and secondly converting the websites into mobile applications.
React - A JavaScript library for building user interfaces
AppGyver Composer - Visual enterprise-grade low code mobile app builder
Koa.js - Next generation web framework for node.js
Mendix - Mendix is the fastest and easiest low-code platform used by businesses to create and continuously improve mobile and web apps at scale.