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  collaborative code editor - HTML, CSS, Javascipt, PHP , and plain text
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  SyntaxHighlighter helps developers to display code on their website. SyntaxHighlighter is a fully functional self-contained code syntax highlighter developed in JavaScript.
  in Public bookmarks with api code embed opensource syntaxhighlighter by 4 users
• XML Indent Online
  in Public bookmarks with beautifier html online syntaxhighlighter tool xml

syntaxhighlighter from all users