I've never used the program, never even demo'd it. So i do not know the status of the app. It was also requested before and there are more links in the forum and the ones half way down the page are supposedly freeware.
http://www.oldversion.com/talk/index.php?a...59&hl=zonealarm
If your looking for a firewall, then are several Freeware & Shareware versions in this thread.
http://www.oldversion.com/talk/index.php?a...&st=0#entry2970