Stop-the-Pop-Up   
http://www.sureshotsoftware.com

Stop-the-Pop-Up is a pop-up blocker preventing all annoying pop-up windows from appearing as you surf the web. The popup stopper has full support for both pop-ups and pop-under ads and will kill them even before they appear on the screen. Each time a pop up is closed you will hear a cute sound effect. To allow pop-up windows you can temporarily disable the pop-up killer by holding Control, Shift or 'a'. An unique Stop-the-Pop-Up feature is that it will kill all pop ups and rotating banners ads from file sharing programs and the spyware/adware that are bundled with these peer-to-peer programs. Stop-the-Pop-Up supports Kazaa, Morpheus, Grokster, iMesh and Direct Connect. Stop-the-Pop-Up will also kill the new breed of pop-ups called 'Messenger Service spam'. Messenger Service pop ups can spam you even when your web browser is closed. Stop-the-Pop-Up will also recognize and kill hostile activeX controls from companies known to develop spyware or adware. Gator, GAIN, C2, Comet Systems, Cydoor, Marketscore etc, are on Stop-the-Pop-Up's black list. The banner ads in ICQ pro 2003 and MSN Messenger 4.6-5.0 are also removed. Stop-the-Pop-Up can be configured to start automatically after a reboot and resides in the system tray when minimized. Stop-the-Pop-Up is compatible with the most popular web browsers, such as Internet Explorer, Netscape Navigator, Opera, MSN Explorer 7, Mozilla, SBC Yahoo! and NetCaptor. It is light on your system's resources and requires no setup! Pleasant surfing!

Cactus Spam Filter   
http://www.codeode.com

Cactus Spam Filter is a free easy-to-use spam blocker. It protects your inbox by learning to detect spam as it's being used. After a short while it has adapted to your personal mailbox and blocks out most of the junk e-mail. Since the filter becomes personal, spammers will not be able to fool it. Installation is very simple. No setup is required in your e-mail client; this spam stopper integrates seamlessly with all e-mail clients that use POP3. It has been successfully tested with Microsoft Outlook, Microsoft Outlook Express, Netscape, Opera, Mozilla, Mozilla Thunderbird, Eudora, Pegasus Mail, IncrediMail, Foxmail, POP Peeper, Command Line POP Client and Phoenix Mail. This anti-spam program learns to detect spam as it's being used, and believe me, Cactus Spam Filter is a fast learner. After a few e-mails it will start to make its own decisions to relieve you from the spam burden. Even though this is a brutal, merciless spam killer, no e-mails will get lost unless you delete them. One of the unique features of Cactus Spam Filter is the ease of use. After you have downloaded and installed it no more settings are required! No account setup, no POP proxies, nothing! Just start your favorite e-mail program and Cactus Spam Filter will instantly protect it!

ChoiceMail One   
http://www.digiportal.com

ChoiceMail is a spam-blocking system based on the premise that all incoming email is assumed to be spam until senders have obtained permission (called registering) to send you email. Until they do so, mail from unapproved senders will not appear in your email application. Unapproved senders are automatically offered the opportunity to register. If they do so you are notified so that you can choose to approve (or not) all future emails from that sender. You can also easily preapprove your existing contacts. The registration process requires manual intervention by the sender, thereby eliminating all automatic spamming systems. When our system tray icon flashes, you've got legitimate mail.

Emjysoft Anti-Spam   
http://www.emjysoft.com

Block 99% of spam, viruses, spyware and phishing attempts before they reach your computer Emjysoft Anti-spam stop spam and dangerous emails containing viruses, spyware, and identity-theft schemes. His user friendly-interface makes it a simple, powerful, fast and safe tool. Protection for all email clients and servers ! Automatically updates from the Emjysoft server The Anti-spam database is updates every days.

NUCEM Spam Terminator   
http://www.helpmesoft.com

NUCEM™ improves your personal productivity by eliminating what you perceive to be spam from your Inbox. No other solution can do that for you. NUCEM™ installs in minutes and is completely intuitive so you are spam free without complicated configurations or lengthy user manuals. NUCEM™ blocks over 99% of spam from the Inbox, and continues to improve as you train it to recognize e-mail that you perceive to be spam and you can train NUCEM™ to trust newsletters that look like spam. NUCEM™ is 3 times more effective at blocking spam than compared with the next best anti-spam service, and almost 10 times more effective compared with the next best anti-spam product. NUCEM™ is seamlessly integrated into Microsoft Outlook, so you continue to work in your familiar e-mail program. Using a proprietary e-mail classifier NUCEM™ accurately differentiates between valid e-mail and spam because spam uses distinct patterns, styles and vocabulary, which is distinguishable from traditional e-mail. This technology is extremely accurate (99%) in detecting spam, while exhibiting a very lower incidence of detecting valid e-mail as spam (false-positive). The key distinguishable characteristics of NUCEM™ are: * Accurate Spam Detection > 99% * False Positive Detection < 0.1% * Limit size of quarantine folder * Simple One Click Solution * Immune to spammer's avoidance techniques * Supports Hotmail, IMAP, Yahoo, POP and Exchange Accounts * Customized Spam Definition