Free Software for JavaScript
Snowpack
Snowpack enables frontend developers to enjoy a lightning-fast development experience. It's modern build tool that replaces heavier, more complex bundlers like Webpack or Parcel in your development workflow. Snowpack leverages JavaScript's native module system to increase performance and never builds the same file twice. Allowing you to enjoy a near instant hot module reload and refresh no matter how big your project grows. Snowpack supports JSX, TypeScript, React, Preact, CSS Modules and much more, while also provding an extensive plugin catalog with support for almost any technology in the JavaScript eco-system.
NativeScript
NativeScript is an open-source framework that you can use to develop mobile apps on the Apple iOS and Android platforms. The framework is developed and released by Progress, a software development company providing a wide range of SaaS-based products. NativeScript apps are built using JavaScript, or by using any programming language that transpiles to JavaScript, such as TypeScript.
Deployd
Deployd is a free and open-source web development tool for Node.js that makes building APIs simple by providing important ready-made functionality out-of-the-box. Features provided by Deployd can demands of complex applications and can be further customized with JavaScript Events.
React Native
React Native combines the power of React with native app development. React Native is a popular JavaScript library for building native user interfaces. React Native allow developers to build applications for Android and iOS simultaneously without managing multiple codebases.
Vue.js
Vue.js is a free and open-source intuitive and composable MVVM framework for building interactive UIs with JavaScript. The library was first created and released by Evan You back in 2014, and saw a meteoric rise in the open-souce community. Possibly due to the accessible nature of the project and the library itself. With Vue.js you can get started by simply importing the script via CDN, and start building. Today, Vue.js is used in a multitude of web applications and powers interactive interfaces for people to enjoy across the globe.
TiddlyWiki
TiddlyWiki is a personal wiki and a non-linear notebook that provides an interactive way to manipulate and structure data for web consumption. The free and open source application is written as an SPA (Single Page Application) with JavaScript by Jermolene. TiddlyWiki is designed from the ground up to easy to customize and re-shape depending on your use-case, while also providing tools that can be used to split up and reuse content.
Svelte
Svelte introduces a radical new approach to building user interfaces with JavaScript. It is a compile-based component framework that builds efficient code that updates the DOM. Where most traditional frontend JavaScript framework does most of their work in the browser, Svelte includes that work in the compilation process when you build your app. This creates a smaller app which ultimately leads to faster load times and a better experience for the end-user.
Next.js
Next.js is a free an open-source JavaScript framework for building production grade React web applications that scale. World's leading companies use the framework to buil both static and dynamic websites and web applications.
