Judge0 IDE

Cloud9 provides a development environment in the cloud. Cloud9 enables developers to get started with coding immediately with pre-setup environments called workspaces, collaborate with their peers with collaborative coding features, and build web apps with features like live preview and browser compatibility testing. It supports more than 40 languages, with class A support for PHP, Ruby, Python, JavaScript/Node.js, and Go.

Built on the open Eclipse Che project, Red Hat CodeReady Workspaces provides developer workspaces, which include all the tools and the dependencies that are needed to code, build, test, run, and debug applications.

It is a lightweight version of VS code that runs entirely in the browser and does not require any installation. It lets developers view and edit local files, take notes in markdown, and build client-side HTML, JavaScript, and CSS applications in conjunction with browser tools for debugging.

It is a social development environment for front-end designers and developers.. It functions as an online code editor and open-source learning environment, where developers can create code snippets, creatively named "pens", and test them.

A development platform that enables you to not only edit your files from underlying services like FTP, GitHub, Dropbox and the like, but on top of that gives you the ability to collaborate, embed and share through Codeanywhere on any device.

CodeSandbox allows developers to simply go to a URL in their browser to start building. This not only makes it easier to get started, it also makes it easier to share. You can just share your created work by sharing the URL, others can then (without downloading) further develop on these sandboxes.

Gitpod is an open source developer platform automating the provisioning of ready-to-code dev environments. Designed for applications running in the cloud, Gitpod frees engineering teams from the friction of manually setting-up loc

StackBlitz is the browser-based IDE that eliminates time-consuming local configuration and lets you spend 
more time coding. Develop with Next.js, React, Angular, Vite, and more in a Node.js development environment entirely in your browser

Koding is a feature rich cloud-based development environment complete with free VMs, an attractive IDE & sudo level terminal access!

Get setup lightning fast in the cloud & code from anywhere, on any machine.

Theia provides the end-user with a full-fledged multi-language IDE (not just a smart editor) and supports equally the paradigm of Cloud IDE and Desktop IDE.

Eclipse Che makes Kubernetes development accessible for developer teams, providing one-click developer workspaces and eliminating local environment configuration for your entire team.

It is an online community for testing and showcasing user-created and collaborational HTML, CSS and JavaScript code snippets, known as 'fiddles'. It allows for simulated AJAX calls.

It is a free, open-source online editor to help developers learn about Dart and Flutter. It compiles, analyzes, and displays the results of its users' Dart code, and can be embedded in other websites as an iframe.

Coder moves developer workspaces to your cloud and centralizes their creation and management. With Coder, developers can get up and running on new projects right away and stay in flow using their preferred IDE and tools.

FriendCode was created in 2013 with the vision of creating powerful development tools, tackling issues like collaboration, cloud development and many others. We are building Codebox, an open source Cloud IDE, than can run not only on the cloud, but on your desktop or your server as well. Codebox.io lets you host and manage Codebox instances online as a service using a dashboard or an API.

Every project gets its own Box: an instantly available server-side development environment with full terminal access. With features such as forking, collaboration, importing from Git repos and more, Codio strives to remove as many barriers as possible to create a platform developers will enjoy using as their IDE of choice.

The IBM Swift Sandbox is an interactive website that lets you write Swift code and execute it in a server environment – on top of Linux! Each sandbox runs on IBM Cloud in a Docker container. Both the latest versions of Swift and its standard library are available for you to use.

It is an open source, web-based, cloud IDE and code editor with minimal footprint and requirements

PaizaCloud IDE is a flexible browser-based web development environment. You can choose between Floating window mode like desktop OS, or Tab window mode. You can run File manager, Editor, Terminal to develop web applications.

It is an open-source project that makes running VS Code in a browser easily accessible for all developers and organizations. It runs upstream VS Code on a remote machine accessed through a modern web browser - from any device, from anywhere.

It is a powerful online code editor in the cloud. It supports over 40 languages, including PHP, Node.JS, Python, Java, Ruby, C.

It is a browser-based runtime for executing Node.js applications and operating system commands, entirely inside your browser tab. From interactive tutorials to full-blown IDEs, build instant, interactive coding experiences.

Kobra is the easiest way to collaborate on code quickly with your coworkers, friends or students. With built in video & voice chat, the themes and keyboard shortcuts you're used to and syntax highlighting, you'll feel right at home. We're not trying to be your online IDE, we just want to be the simple online editor you use to collaborate on the fly.

CodeOnline is an online IDE with a powerful and secure remote workspace. It is based on a web version of Visual Studio Code, which connects to your own private Linux workspace in the Cloud, without any restrictions.

Is the world's most advanced AI coding assistant for developers and enterprises. Windsurf Editor — the first AI-native IDE that keeps developers in flow.

A browser-based IDE for creating, deploying, and sharing blockchain apps (DApps, or decentralized apps). Publish your first blockchain DApps in 5 minutes.

It empowers software teams worldwide to screen and interview developers with gamified assessments, take-home projects, and live pair programming interviews.

It is a lightweight online IDE to write JS SPA prototypes in your own GitHub gists. It is written in Aurelia, inspired by gist-run, runs dumber bundler purely in browser.

It is a Component IDE. Build your components in isolation with one-click release to npm. Take it to the next level and build an enterprise-grade Design System - developer side. Design-token based, generated documentation, maximum collaboration and more.

It is a host where you can easily spin up static websites. It also features an intuitive code editor you can access directly in your browser. Your drafts and open tabs are saved in the cloud so you can pick up anywhere

It is an open ecosystem of components and utilities that allow you to compile and run modern frameworks in the browser. You can either use one of our predefined components for embedding the CodeSandbox experience into your projects, or you can build your own version of sandpack, on top of our standard components and utilities.

It is a tool for provisioning lightweight access-controlled IDEs, staging environments, and sandboxes - aka devtainers - on local machines, self-hosted on-premises on bare metal or VM, or in the cloud. By provisioning a devtainer for every fork and branch, Dockside allows collaborative software and product development teams to take lean and iterative development and testing to a highly parallelised extreme.

It is an open-source collaborative IDE for your databases. Connect to your database, browse data, run a bunch of SQL commands or share SQL queries with your team, right from your browser.

It is a self-hosted application that spins up ready-to-code, disposable development environments on your own servers in seconds. You define your dev environments as code and launch them instantly from your browser.