HTML / PHP / JavaScript / MySQL editor --
Syntax highlighting for HTML / JavaScript / PHP into the same document+ SQL highlighting --
Macros (can even record mouse actions) --
Completion engines (HTML / PHP) + Auto completion --
Auto correct engine --
Test your PHP scripts locally --
PHP / JavaScript snippets --
Add a counter or a PHP gallery to your site by simply clicking --
HTML tools -- Spell checking, HTML compression
- HTML Tidy with advanced options
and much more... -- | 
