Free Software for Node.js
Phaser
Phaser is a fast, free, and fun open source HTML5 game development framework. It uses a custom build of Pixi.js for WebGL and Canvas rendering, and supports desktop and mobile web browsers. Games developed with Phaser can be compiled to iOS, Android and native desktop apps via third party tools. With Phaser you can developed games written in JavaScript or TypeScript.
AdonisJS
AdonisJS is a Node.js web framework designed for building micro-services with JavaScript and Typescript. The framework provides an elegant syntax and and the tools that gives developers the confidence to build structured projects at scale. AdonisJS also includes its own ORM called Lucid, which is an implementation of Active Record, written in JavaScript. The framework will make anyone coming from Laravel or Ruby on Rails to feel right at home in the JavaScript eco-system.
Elder.js
Elder.js is an opinionated static site generator and web framework built with SEO in mind. Elder.js is built on top of Svelte and supports SSR and Static Site Generation, making it a perfect candidate for content driven websites that care about search engine rankings.
Apollo Server
Apollo Server is an open-source, spec-compliant GraphQL server written in JavaScript for Node.js eco-system. Apollo Server is compatible with any GraphQL client, including the sister project Apollo Client. With Apollo Server it's easy to build production-ready, self-documenting GraphQL APIs that can use data from any source. Allowing solo developers and larger teams to get a stand-alone GraphQL server, including in a serverless environment, up and running faster.
Ember.js
Ember.js is a productive, battle-tested JavaScript framework for building modern web applications. It includes everything you need to build rich UIs that work on any device. With Ember.js you can create client side JavaScript applications with a complete solution which contains data management and an application flow. Ember.js is developed and released as free and open source software under the MIT License.
NativeBase
NativeBase is an open source framework used to build React Native and Vue Native applications. The framework includes essential UI components for creating professional cross-platform mobile applications. With NativeBase, countless of developers and designers have saved time and money when bootstrapping their next project.
NestJS
NestJS is a free and open source JavaScript framework for building scalable Node.js web applications. The framework uses modern JavaScript and is built with TypeScript. NestJS is utilizing a multi paradigm model including Object Oriented Programming, Functional Programming and Functional Reactive Programming.
Vue Native
With Vue Native you can build iOS and Android application utilizing the Vue JavaScript framework. Vue Native provides a cross-platform UI library that makes it easy to create quality app that can be bundled and released for mobile devices. The framework can act as an ideal starterkit providing all the necessary UI elements for your next Vue-powered mobile project.
Sapper
Sapper is a free and open source application framework for Svelte. With Sapper developers can build server-side rendered applications that does not compromise on SEO, load times or progressive enhancement. Your Sapper app will handle navigation instantaneously, much like any other SPA.