The tax parcel viewer requires Adobe Reader. Adobe Reader runs on a variety of Windows, MacIntosh, Linux, Solaris, HP, and AIX operating systems. It is also available for a variety of mobile devices. See http://get.adobe.com/reader/otherversions/ for more information.
The other mapping sites do not require any other software.
Supported web browsers include Internet Explorer, Firefox and other Mozilla-based browsers, Netscape, Opera, and Google Chrome. Safari is not fully supported.