Monaco Editor 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.

Goodbye to "Inspect Element" — Visualize the CSS of any element you hover over, instantly, and copy its entire rules with a single click.

Codecademy, from Skillsoft, helps millions of learners create inspiring careers in technology through an interactive online platform and a growing catalog of courses, skill paths, and career paths.

A live CSS editor for writing user style sheets. Customize your favorite sites, sync your styles across computers wherever you are signed into Chrome. Amino is a Chrome browser extension for writing user CSS that persists. Make the web what you want it to be!

myCompiler is a simple and easy to use IDE where you can edit, compile and run your code in the programming language of your choice. It currently supports 16 programming languages with features like auto-completion, syntax highlighting and code collaboration.

WebTool is the most relevant and flexible code editor for web designers. WebTool helps designers to design websites with less effort and faster speed. No need to switch between editor and browser. No need to split screens. Just write code and get results.

openAPI editor for nerds

CodeBox is a coding environment with HTML, CSS, and JavaScript editors with a live preview panel to show what the code would look like in the browser. It's cool because it features the same editor used in VS Code and has instant reload!

Watchist is best tool for web developers to increase productivity.

A Linter for All Markup Languages. - Conformance checking - On Your House Rules - For Designed Structures - Set for each the CSS Selector - Supporting Template Engine This is an open-source module for JavaScript. You can use it for free under the MIT license.

Cat_Editor is a basic online editor for technical writing. It enables you to create nice webpages easily. Cat_Editor has its own commands that are super easy to use and to remember... way easier than HTML for sure.