I include web browsers in the toolbox because each one has it's own little idiosyncrasies. You should preview your web pages in two or three different browsers to check out how your HTML design shapes up in different viewing environments. They are not created equal and, if you've ever surfed with America Online's original web browser, you know what I mean.
FireFox
Definitely worth taking a look at this clean and lean Web browser. Versions
available for Windows, Mac, and Linux.
From The Mozilla Organization.
Internet
Explorer
Windows and Mac versions are available.
From Microsoft Corporation.
Netscape
Navigator
Windows and Mac versions
are available.
From Netscape Communications
Corporation.