Why not spend your holiday break doing some programming? Edit and run code in any programming language with just a single click. With CodeRunner, It has never been easier to write and test code, run scripts, work with algorithms, or simply experiment with a new coding or scripting language.


  • Edit and run code in AppleScript, C, C++, Java, JavaScript (Node.js), Lua, Objective-C, Perl, PHP, Python, Ruby, Shell or any other language you might have installed on your system
  • Fully featured editor with tabs, syntax highlighting, great code completion, color themes, intelligent bracket matching and more
  • Editable code presets for new documents eliminates the need to keep writing main functions etc.
  • Built-in file browser for easy access to your source files
  • Fully supported user input in programs, and the ability to run with command line arguments and predefined input sets
  • Built-in timing of code execution
  • Autosaving, Versions and Fullscreen (Lion only)
  • Customizable run commands and compile flags, user-defined color themes, custom fonts, full encoding support, and much more

    Note: Does not work on Snow Leopard.

  • What's New
  • Fixed issues with Mountain Lion, broke Snow Leopard support
  • Retina graphics
  • C# language presets
  • Print function
  • Key combo for switching between tabs
  • General fixes and improvements

  • CodeRunner (com.krill.coderunner) is a Mac software application that has been discovered and submitted by users of The latest version that our users have reported running on their systems is CodeRunner 6071. The most popular version of this application used by our users is CodeRunner 7.

    Operating System: Mac

    Minimum OS version: 10.7

    Copyright: Copyright (c) 2011-2014 Nikolai Krill All rights reserved.