Pop-Up Zapper Lite is just like Pop-Up Zapper but designed for Mac OS 8.5, 8.6 and 9.x.
With Pop-Up Zapper Lite, you can toggle the software on or off by pressing Command-Control-'x', no matter what application is running in front.
You can also tell Pop-Up Zapper Lite to leave the next pop-up alone by pressing Command-Control-'z'.
Pop-Up Zapper Lite is Shareware, 29.95 U.S. dollars. You can run Pop-Up Zapper Lite in evaluation mode for 15 days only, at which point it requires a license to continue working.
You can also have a customized list of sites where popups are allowed, such as banking and email sites.
Rated (Good) Macworld Magazine, May 2003 Issue
Features
Zaps away most pop-up ads fast without you ever having to see them.
Customize which web sites can have popups, such as banking, email sites, etc.
Prevent popup windows from messing with the size of your new windows.
Enable or disable Pop-Up Zapper Lite by pressing Control-Command 'x'.
Enable or disable it using a menu, or disable the software for just one window via a control-command 'z'.
Opt to play a sound when a pop-up is zapped.
Speed up your browsing experience by not loading costly popup window ads.
Free upgrade to Pop-Up Zapper for OS X once you upgrade to OS X (for IE only).