CodeLobster PHP Edition A free and portable editor compatible with PHP, HTML/CSS and JavaScript.
PSPad Editor A capable text editor aimed at programmers and coders, it offers a number of features to improve the efficiency in writing PHP, Python, CSS, HTML and many other markup and software languages.
RJ TextEd Featured-packed text and source code editor with support for syntax in several languages including HTML, PHP, C, C#, JavaScript and Perl.