| Spam Tools |
| Bogofilter - Bayesian spam filter | Bogofilter is a Bayesian spam filter. In its normal mode of operation, it takes an email message or other text on standard input, does a statistical check against lists of "good" and "bad" words, and tells whether the message is spam. GPL in C for Linux (Oct 2003) | |
| Books about Spam Tools | A complete list of books on Spam Tools available through Amazon.COM |