CodeSandbox

Online playground for React

17 Alternatives To CodeSandbox

CSS Scan

Instantly check or copy computed CSS from any element

Cloud9 IDE

Cloud9 IDE is one of the best online integrated development environment that introduced as open-source from version 2.
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CodePen

A front end web development playground.

Codeanywhere

Codeanywhere is a complete toolset for web development. Enabling you to edit, collaborate and run your projects from any device.
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Codiad

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

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
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Glitch

Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.
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JSitor

Test your NodeJS, JavaScript, CSS, HTML online with JSitor code editor.

Keyframes

A hangout spot for animators on the internet

Koding

Koding lets your organization create and share fully automated dev environments on any infrastructure for modern distributed applications, micro-services and containers. Koding provides an interface for developers and team managers to streamline dev workflows in the cloud without slowing down freedom and creativity.

Kontrast

Check and adjust web element contrast in real time.
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LiveStyle

A real-time edit tool for CSS, LESS and SCSS.

Microsoft Visual Studio

Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

Plunker

Plunker is an online community for creating, collaborating on and sharing your web development ideas.
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SpeedFont

Extremely simple CSS font embedding

StackBlitz

Online VS Code Editor for Angular and React