Komodo is ActiveState's cross-platform, multi-language integrated development environment (IDE). Komodo supports Perl, Python, and JavaScript development on Windows, Linux, and Unix. Webmasters, system administrators, JavaScript authors, and Python and Perl developers will find that Komodo is the ideal development environment. Komodo supports all of the features that you expect in a modern IDE, including an editor, debugger, keyboard shortcuts, project manager, toolbars, online help, and bug reports. It also contains File Associations wherein you can use the Preferences dialog to customize associations between languages and file types.

To debug Perl or run Perl scripts, you need Perl 5.6 installed. To debug or run Python scripts, you need Python 2.0 installed.