Spamihilator - The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.
6degrees - Get introductions through your friends' phones
SpamAssassin - Use this program to "Unspam" your mailbox(es).
Nightly - One part dating, one part social, one part nightlife
Spam Reader - Spam Reader is a free anti-spam add-on for Microsoft Outlook.
SpoofCard - Disguise your Caller ID