Free Software for JavaScript
Babylon.js
Babylon.js is one of the world's leading WebGL-based graphics engines. From a new visual scene inspector, best-in-class physically-based rendering, countless performance optimizations, and much more, Babylon.js brings powerful, beautiful, simple, and open 3D to everyone on the web.
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.
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.
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.
Objection.js
Objection.js is an ORM (Object Relational Mapper) built on top of knex for Node.js. Objection.js aims to stay out of your way and make it as easy as possible to use the full power of SQL and the underlying database engine while still making the common stuff easy and enjoyable. Even though ORM is the best commonly known acronym to describe objection, a more accurate description is to call it a relational query builder. With Objection.js you get all the benefits of an SQL query builder but also a powerful set of tools for working with relations.
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.
Cycle.js
Cycle.js is a functional and reactive JavaScript framework used to write predictable code. Cycle’s core abstraction is your application as a pure function main() where inputs are read effects (sources) from the external world and outputs (sinks) are write effects to affect the external world. These I/O effects in the external world are managed by drivers: plugins that handle DOM effects, HTTP effects, etc.
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.
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.
