Arachnophilia is a full-featured HTML editor (written in JAVA) with an internal browser "Instant View" mode that shows your HTML changes as you make them with each keystroke.

It supports up to 6 Web browsers, switches between them in a flash. Arachnophilia offers the development of HTML, frames, CGI, Perl, C++, Java, and Javascript with many intelligent tools and functions, as well as a built-in intelligent FTP client that automatically uploads changed files to your server.

Also, it offers powerful keyboard macros, which can include system commands, even other macros, for maximum flexibility.

User-defined toolbars provide any tags or content you need for any of the supported languages, and it supports system commands as well.

User-defined file templates. It comes with built-in step-by-step tutorials on HTML development, JavaScript, frames, the Internet. Nice looking, well-featured but slow performing.

Arachnophilia has two displays:

A syntax-highlighted programming editor without line wrapping, and

A normal line-wrapped text display.

To switch between them, right-click and choose the one you want.