A grid layout with columns that scroll in opposite directions using Locomotive Scroll.

A JavaScript library for structured state. Database engine for javascript.
The reactive data store for local‑first apps.

TinyBase lets you listen to changes made to any part of your data. This means your app will be fast, since you only spend rendering cycles on things that change. The optional bindings to React and pre-built components let you easily build fully reactive UIs on top of TinyBase. You even get a built-in undo stack, and developer tools!

• TinyBase @ GitHub.

The simpliest API to run DOS games in browser.

The simplest API to run DOS/Win 9x programs in browser or node. js-dos provides full-featured DOS player that can be easily installed and used to get your DOS program up and running in browser quickly. js-dos provide many advanced features like multiplayer and cloud storage. All available features are enabled for any integration and free.

• js-dos @ GitHub.

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A simple but powerful API for processing & compiling assets built around Webpack.

Webpack Encore is a simpler way to integrate Webpack into your application. It wraps Webpack, giving you a clean & powerful API for bundling JavaScript modules, pre-processing CSS & JS and compiling and minifying assets. Encore gives you a professional asset system that's a delight to use.

Open source Node.js Headless CMS 🚀
Design APIs fast, manage content easily.
Strapi is the leading open-source headless CMS. It’s 100% JavaScript, fully customizable and developer-first.

• Strapi @ GitHub.

Send email from Javascript

Client-side JavaScript PDF generation for everyone.

A simpler site generator. Transforms a directory of templates (of varying types) into HTML.

A simpler static site generator. An alternative to Jekyll. Written in JavaScript. Transforms a directory of templates (of varying types) into HTML.

Works with HTML, Markdown, JavaScript, Liquid, Nunjucks, Handlebars, Mustache, EJS, Haml, and Pug.

Eleventy @ GitHub

A Web Framework for Rapidly Building Interactive Diagrams

A visual way to view ECMAScript 6 compatbility across web browser and other implementations

Code Playground
Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

React-based framework for building dynamic, Shopify-powered custom storefronts.

Bundler for javascript apps.

Diagramming and charting tool.

JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.

Mermaid @ GitHub.

GPU accelerated Neural networks in JavaScript for Browsers and Node.js

• Brain.js @ GitHub.

Develop ML models in JavaScript, and use ML directly in the browser or in Node.js.

A flexible neural network library for Node.js and the browser

Neuro.js is machine learning framework for building AI assistants and chat-bots.

ConvNetJS is a Javascript library for training Deep Learning models (Neural Networks) entirely in your browser. Open a tab and you're training. No software requirements, no compilers, no installations, no GPUs, no sweat.