I made repl.it in under a 7 days
rafrafraf (1396)

dupl.kit - Collaborative Text Editor and IDE

Code and collaborate with friends, all in real time baby! Watch their cursors move around the page and talk in chat!


  • Text editor with live operational transformations: see changes made by fellow coders in real time (baby)
  • Private files: files saved in local storage
  • Live chat: same style as repl.it, protected from XSS ;)
  • Multiplayer cursors: view other coder's cursors (credit: @MarcusWeinberger)


  • Only local files will run and output code, global file running coming soon!

Supported Languages

  • PYTHON run any code with console output (input and support for external libraries coming soon)
  • HTML render your webpage in an embedded iframe
  • JS use scripts inside your HTML dupl
  • CSS style your html dupl

All in your browser!

Created by @rafrafraf with some help from @MarcusWeinberger

P.S repl pls hire me lol

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AmazingMech2418 (1039)

@generationXcode Am I the only one trying to figure out the admin password so I can XSS and rickroll people? LOL!

AmazingMech2418 (1039)

@rafrafraf Thank you! LOL! It's already guessed 10000 passwords.

AmazingMech2418 (1039)

@rafrafraf Maybe could you give a basic charset to make it easier? LOL! Like special characters, letters, digits, capital letters, etc.

generationXcode (323)

@AmazingMech2418 ahhh stop hacking everything u see lol

AmazingMech2418 (1039)

@generationXcode Well, it's better me than someone who wants to take down the server or include it in a botnet or something. LOL! If I hack something, I report the vulnerabilities to the person who made the repl.

generationXcode (323)

@AmazingMech2418 You dont only report the vulnerabilities but u make them public. anyone who makes a site would not like such details publicised.

AmazingMech2418 (1039)

@generationXcode But, they could fix them. LOL! I won't publicize private information found, but will point out vulnerabilities. If they didn't want the vulnerabilities publicized, they wouldn't have made the website vulnerable. LOL!

generationXcode (323)

@AmazingMech2418 well idk its not my site rlly lol. Ur probs right

AmazingMech2418 (1039)

@generationXcode This one is actually pretty secure! Though, rate limiting would be good to prevent brute forcing... Definitely not like ClearCode where I could shut down the server and modify source files remotely. LOL!