Repl.it Chrome alternatives

CodePen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn and debug, and find inspiration. CodePen is a playground for the front end side of the web. It's all about inspiration, education, and sharing.

Now when you go to https://vscode.dev, you'll be presented with a lightweight version of VS Code running fully in the browser. Open a folder on your local machine and start coding. No install required.

Fire up a python console in the browser -- PyConsole is an extension which you can use to directly run python programs in the browser; It mimics the behavior of a normal REPL that you can launch in a terminal but aims to achieve more with the power of the browser environment.

Dockside is an open-source tool for provisioning lightweight access-controlled IDEs, staging environments and sandboxes - aka ‘devtainers’ - on local machines, on-premises (raw metal or VM) or in the cloud.

A JavaScript Code Snippet runner to execute multiple code snippets independently on a single page.