You will be downloading directly from other pages and FTP sites, and as such, you should be sure to check ANY software you download for viruses. I suggest you purchase Norton AntiVirus for Mac, but a high quality freeware application exists and it's called Disinfectant.

MacShare recommends:

The following listing is mostly more current software than you will find with System 9.0.4 If you find something missing from this list, please let me know.

Check out the Macintosh Products Guide!!!