AceHTML

HTML is a useful HTML editor for programming websites with color-coded syntax for various languages, including Perl, XML, WML, ASP, PHP, ColdFusion, CSS, and Javascript. This HTML editor has easy-to-use controls, plus basic tools for inserting images and links and advanced tools for adding ActiveX controls, Java applets, and iFrames to your page. AceHTML not only color codes syntax for various languages but also corrects mistakes in HTML. It can also correct spelling, although you'll need to have Microsoft Word installed. Besides that, AceHTML includes a library of 175 Javascript code snippets and ready-to-go DHTML that you can use on any website.