The program enables you to prepare text documents in any format (including tables) and drag it inside of the window to continue working on it. It supports up to six web browsers, different CGI, and languages including PHP, Perl, C, and Java (in addition to HTML).
And, you'll find a FTP client integrated into the app so that you don't need to find a third-party tool when it comes time to upload your files.
Arachnophilia is free, full of options, and includes a good amount of tutorials to get you started. Need we say more?