...I've used Netscape (Mozilla) Composer for years because it's so easy. And it's sort of strange that the Kompozer logo looks so much like the Mozilla Firefox logo, don't you think? I wonder if the software is similar. Mozilla is free to download:

http://www.mozilla.org/products/mozilla1.x/

But, you may want to look around the Mozilla site to see if it's been replaced by something newer. There's an application suite called SeaMonkey there, but I didn't look into it too deeply.