Code Editors

From Marketing Wiki

Text Editors

• Vim - Free, advanced text editor for any OS
• Emacs - Free, advanced text editor for any OS
• E Text Editor - Free 30-day trial, $35 to buy. Only mentioning this non-free one because it's especially high quality.
• HTML Kit - Free HTML editor with many plugins. Windows-only.
• Notepad ++ - Free text editor for Windows.
• PS Pad - Free text editor for Windows.

WYSIWYG HTML Editors

• NVU - Free WYSIWYG HTML editor

IDEs

• Eclipse - Makes a great PHP IDE when used with PHPeclipse