Komodo Edit is a free, open source editor from dynamic language experts.

While Komodo Edit is free, you can upgrade to our fully-fledged Komodo IDE (add support for debugging, a code browser and source code control integration) and save $50 through July 15, 2009. Or pick up a 5-Pack for the team for even greater savings! Buy Now

All the languages

Dynamic language expertise for Perl, PHP, Python, Ruby, and Tcl, plus JavaScript, CSS, HTML, and XML, and template languages like RHTML, Template-Toolkit, HTML-Smarty and Django.

All the platforms

Windows? Mac? Linux? Yes! Yes! Yes!

Award-winning tools

Everything you'd expect from an editor based on the award-winning Komodo IDE, like autocomplete and calltips, multi-language file support, syntax coloring and syntax checking, Vi emulation, Emacs key bindings, and more.

Firefox-style extensibility

Go ahead, hack away! Or download some of the cool extensions from member of the Komodo community.

It's absolutely fantastic to work with. It does everything a good editor should do, but it also adds a bunch of other little awesome things."

— Dan Hulton, www.danhulton.com

I just want to say how fabulous this product is--every time I think of something I need it has it... Good stuff!

— Lee Cave-Berry

Features and Specifications

• Feature Overview

  • Focus on what your code can do; let your editor sweat the details.
    
    Komodo Edit, based on the award-winning Komodo IDE, offers sophisticated support for all major scripting languages, including in-depth autocomplete and calltips, multi-language file support, syntax coloring and syntax checking, Vi emulation, Emacs key bindings.
    
    Komodo Edit is built on the Mozilla code base and is now licensed under the same terms as Firefox: Mozilla Public License (MPL), GNU General Public License (GPL), and GNU Lesser Public License (LGPL).
    
    See the complete feature list. 
• Compare with Komodo IDE

  Komodo Edit is a free, open source multi-language editor with code intelligence. Komodo IDE builds on Komodo Edit's comprehensive editing features, adding intelligent tools for debugging, regular expressions, team development and customization. Check out the feature comparison table.
• System Requirements

  • Windows

    • Windows XP, 2000, 2003 or Vista
    • x86 or x86_64 processor, 500 MHz (or faster) with 512 MB RAM (1 GB+ recommended)
    • 200 MB hard disk space

  • Mac

    • Mac OS X 10.3.9 or greater
      
    • PowerPC G4+ or Intel processor
    • 512 MB RAM (1 GB+ recommended)
    • 200 MB hard disk space

  • Linux

    • Red Hat Enterprise Linux 5 or later
    • CentOS 5.0 or later
    • Fedora Core 8 or later
    • OpenSUSE 10.2 or later
    • Ubuntu 7.04 or later
      • x86 or x86_64 architecture
        
      • 500 MHz or faster processor
        
      • 512 MB RAM (1 GB+ recommended)
        
      • 200 MB hard disk space
• Licensing

  Komodo Edit is built on the Mozilla code base and is now licensed under the same terms as Firefox: Mozilla Public License (MPL), GNU General Public License (GPL), and GNU Lesser Public License (LGPL). Read the fine print for details.

Developer Resources

• Getting Started

  Komodo Edit is built on the Komodo IDE code base, so all the resources available to Komodo IDE users can help with learning Komodo Edit.

  Getting Started Screencast
  The Introduction to Komodo IDE screencast will take you on a tour of Komodo IDE's key features, including code intelligence (autocomplete and calltips) in multi-language files, customizable key bindings and Vi emulation, configurable toolbars, and project templates.

  Features Showcase
  Get to the next level by checking out any of the 18 quick tours in Feature Showcase: take a look at some advanced search functions, explore your code using the code analysis tools, and create custom workspace components for code reuse and project management.

  Sample Project
  Take a run through Komodo IDE's sample project to familiarize yourself with Komodo's functionality.

  Tutorials
  Get hands-on learning about Komodo IDE's Perl, PHP, Python, Ruby, Ruby on Rails, or Run Commands capabilities with our quick tutorials.
• Getting Support

  If at any time you need assistance, you can find the help you need.

  • • Komodo user forums & FAQs are the best source of self-serve help.
    • Our FAQs have answers about purchasing, licensing, and your ActiveState account.
    • For customer service, please email our Customer service team.
    • Found a bug? Let us know.
    • Still stuck? Contact the Komodo technical support team.
• Getting Involved

  Komodo Community
  Be a part of the Komodo Community! Try a user-built extension or learn to create your own, ask or answer questions, check out the latest screencasts, join Komodo mailing lists, or just get the latest news from the Komodo Community site.