This article is from the alt-sources-mac FAQ, by Mark Pilgrim (firstname.lastname@example.org) with numerous contributions by others.
The alt.sources.mac newsgroup is intended to be a repository for Macintosh
source code of all sorts that people wish to distribute and share with others.
There are no restrictions on the type of source code you can post here --
any mac, any language, any system version, any purpose. (see <2.1> and <2.3>
below for details).
A common reason to post to alt.sources.mac is when you are posting a useful
bit of source code to some other newsgroup, and you think that it might prove
useful to other people in the future, in which case you can cross-post it
Alt.sources.mac is unmoderated, so your source code will be distributed
throughout the USENET (or, at least, the portion of the USENET that receives
alt.sources.mac -- see <1.2> below) immediately, without having to wait for a
moderator's approval, like you have to do for some of the other newsgroups.
Furthermore, alt.sources.mac is archived at several anonymous ftp sites (see
<4.1> below), so people will be able to get your software from the archive
after you've posted it, rather than having to ask you to mail it to them.
Finally, you might have a snippet of mac source code that is really too
small to submit as a package to one of the other major source newsgroups (see