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

Stop-the-Pop-Up Lite is a free 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 Lite feature is that it will kill all pop ups from file sharing programs and the spyware/adware that are bundled with these peer-to-peer programs. Stop-the-Pop-Up Lite supports Kazaa, Kazaa Lite, Morpheus, Grokster, iMesh, Xolox, and Direct Connect. Stop-the-Pop-Up Lite 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 Lite 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 Lite's black list. Stop-the-Pop-Up Lite can be configured to start automatically after a reboot and resides in the system tray when minimized. Stop-the-Pop-Up Lite is compatible with Internet Explorer. It is light on your system's resources and requires no setup! Pleasant surfing!

Pop up Blocker Pro   
http://www.synergeticsoft.com

Pop up Blocker Pro is an aggressive pop-up blocker. The pop-up blocker has 4 types of pop-ups blocking: 100% pop-ups blocking, Pop-ups Block list, Pop-ups Block list with keywords, Limit windows opened. This is one program packed with advanced Privacy Protection Technologies (Prevent your home page from being reset, Go to URL, Proxy settings, Sound effect on close pop-ups, Disable auto suggest, Block messenger spam pop-ups and much more). And that's not All... Pop up Blocker Pro is a state-of-the-art Internet privacy software that allows for private Web browsing. With Pop up Blocker Pro you can surf the Web with complete peace-of-mind, knowing that Pop up Blocker Pro protects you from unwanted data becoming permanently hidden in your PC, without the possibility to recover it.

1st Popup Killer & IE Assistant   
http://www.zs2002.com

1st Popup Killer & IE Assistant is a light-weight plug-in for Internet Explorer. With special filter engine, 1st Popup Killer & IE Assistant intelligently kills advertising popup windows, block macromedia flash. It may automatically refresh your favorite web page at any predefined intervals. The pop-up blocking function can be temporarily disabled by holding down the CTRL key. Residing on the IE toolbar with an icon button, this utility is small and easy to use, never interferes with normal browsing and slows your browser.

POP3 Cleaner PRO   
http://www.acmetoolz.com

A powerful manual/automatic mailbox cleaning utility with anti-spam capabilities for Windows. You can preview and delete unwanted e-mail messages directly from the mail server and retrieve the rest with your e-mail client (e.g. MS Outlook). Every message is shown with its sender's address, subject, size and the date it was received. POP3 Cleaner PRO can also run fully automated on the system tray and act as a powerful anti-spam filter. It can connect to the mail server in desired time intervals, check for the new mail (notify you on new mail arrival), apply the anti-spam rules and delete the unwanted messages directly from the mail server. You do not need to change any settings on your computers. The installation and setup is very easy. Lifetime update for free.

No Spam Today! for Servers   
http://www.byteplant.com

No Spam Today! is an SMTP/POP3 proxy server based spam filter that sits between the internet and your mail server. Incoming mail is accepted from the Internet and checked for spam and viruses. NoSpamToday! uses the award-winning SpamAssassin engine to flag spam mail in the subject line and add a filtering report to spam mails according to your configuration. NoSpamToday! works with products of all vendors of mail client or server software, and also allows simple integration of third-party virus checkers. When installing No Spam Today! you will get: 1. A complete one stop setup routine that installs one of the world's most advanced and thorough spam filters on your server in a matter of minutes. 2. A reliable SMTP/POP3 proxy service software that makes it easy to integrate No Spam Today! into any existing email infrastructure 3. An easy to use Admin Wizard to configure all important settings of No Spam Today! and the SpamAssassin engine 4. Updates, e.g. when new versions of the SpamAssassin engine are released 5. An attachment blocker, and built-in support for third-party virus checkers 6. Free support (commercial licenses only) NoSpamToday! is available as freeware for personal and non-commercial use. Several commercial licenses are available, offering exceptional value at low prices.