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replit
the world's leading online code editor, runner, and collaboration platform supporting
multiple
programming languages.
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glitch
a modern online development platform that supports real-time collaboration and sharing,
ideal for
building web apps and creative projects.
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codesandbox
an online frontend development and collaboration tool supporting react, vue, and other
popular
frameworks with real-time collaborative editing.
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jsfiddle
a minimalist online html/css/js playground for testing code and sharing snippets.
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codepen
a community for developers to showcase and share web code snippets, supporting online
editing and
interactive demos.
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pastebin
a well-known global service for hosting text and code snippets, suitable for publishing
and
sharing quick content.
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gist (github gist)
github's lightweight code snippet hosting platform, supporting multiple files and
versioning.
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ideone
an online compiler, runner, and code sharing platform that supports many languages,
convenient for
testing and learning.
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leetcode
a globally known platform for coding challenges and algorithm practice, supporting online
problem
solving and code execution.