Some archive sites for the common helper apps used on the Mac:
StuffitExpander, JPEGView, SoundMachine, SoundApp, MacBinaryII+, Mactar,
MacGzip, and Sparkle.
Please note that all of these applications are either freeware or
shareware, and that their listing here does not constitute any guarantee by
Netscape Communications that they will work with your system. The following
links will download specific files to your computer if you click them. You
might also want to take a look at the other files in the same directory for
a wider range of options.