1)   Spamologist 1.1
A spam filtering program unlike any other. It utilizes several fully customizable defense mechanisms; dictionary filtering, advanced dictionary filtering, advanced header filtering, allow and block lists, online block lists and a verification system.
spam, junk, email, mail, message, confirmation, confirm, authorize, authorise, challenge,

 2)   QuidProQuo 1.04
Multithreaded QuidProQuo quickly scans through your site to locate your link partners and spiders through your link partners sites to verify reciprocal links back to you.
Reciprocal Linking, Reciprocal Link Checker, Checking, Verification, Confirmation, QuidProQuo, Link Exchange Software,