In-browser IDE supporting 50+ languages with an AI assistant, real-time collaboration, Git support, hosting, deployment, and live code sharing.
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In-browser IDE supporting 50+ languages with an AI assistant, real-time collaboration, Git support, hosting, deployment, and live code sharing.




A communal platform for front-end development offering real-time previews, project building, and showcases, enhancing skills through challenges.




ZeroNet uses cryptography (Bitcoin library) and BitTorrent DHT (centralized trackers) to build a distributed censorship-resistant network.




JetBrains WebStorm is a commercial IDE for JavaScript, CSS & HTML built on JetBrains' IntelliJ IDEA platform.




Übersicht lets you run system commands and display their output on your desktop in little containers, called widgets. Widgets are written using HTML5, which means they




Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.




Compile Less, Sass, Scss, Stylus, Jade, Coffeescript, Haml and Markdown with live browser refresh.


Solid (derived from "social linked data") is a proposed set of conventions and tools for building decentralized Web applications based on Linked Data principles.
Plunker is an online community for creating, collaborating on and sharing your web development ideas.

ZeroBlog - For a distributed, self publishing blogging platform ( and centralized authentication ).

Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, Facebook, Twitter, chat and e-mails.




MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers.
LiveScript is a language which compiles down to JavaScript. It is a fork of Coco which is in turn derived from CoffeeScript. Like those two it has a relatively straightforward mapping to JavaScript. LiveScript is Coco but much more compatible with CoffeeScript, more functional...
Fire.app is a menu bar only app for dead easy HTML prototyping. It supports Sass/Compass, Haml, ERB, Markdown, CoffeeScript, and more.

Sails.js make it easy to build custom, enterprise-grade Node.js apps. It is designed to mimic the MVC pattern of frameworks like Ruby on Rails, but with support for the requirements of modern apps: data-driven APIs with scalable, service-oriented architecture.
Durandal is a cross-device, cross-platform client framework written in JavaScript and designed to make Single Page Applications (SPAs) easy to create and maintain.
Ractive.js is a template-driven UI library that transforms your templates, styles and logic into blueprints for highly interactive apps. Ractive.js works for you, not the other way around. You do not need to learn new terminologies, concepts, and methodologies.
Free web application framework for building Web sites and Web applications using JavaScript, HTML and CSS.
Harp is a production-ready web server. Rapidly build static sites and client-side applications using , and more—no configuration necessary.
An online playground with an instantly ready coding environment that supports several language preprocessors, CSS, HTML and JavaScript.

Chaplin is an architecture for JavaScript applications using the Backbone.js library. Chaplin addresses Backbone’s limitations by providing a lightweight and flexible structure that features well-proven design patterns and best practices.
MontageJS is a modern, full stack HTML5 framework designed to create single-page applications—fast! MontageJS uses time-tested design patterns and software principles, allowing you to easily create a modular architecture for your projects and help deliver a high-quality user...
Enact is an app development framework built atop React that’s easy to use, performant and customizable.
The life-saver app for web developers ! Easily check syntax, minify or process all your web assets (stylesheets, scripts and templates) as you edit them with your favorite text editor!
Styles processing: Whether you're working with plain CSS or with Less, Sass or Stylus, Si.



Wordless is an opinionated WordPress plugin that dramatically speeds up and enhances your custom themes creation. Some of its features are: