mxORB
mxORB is a server-side spam filter that consistently blocks over 98% of unsolicited commercial email (also known as spam) at a fraction of the cost of other filtering solutions. mxORB is packed with all of the features you will need to eliminate spam. ... mxORB makes use of a number of techniques to filter spam, including: use of real-time Internet databases of known spam senders; filtering that blocks messages based on their content; and attachment filters that can reduce the risk of security incidents such as virus infection.
http://www.mxorb.com/downloads/file_18.html - 5Mb - Download - Screenshot

Netfilter
NetFilter Family is the pioneer web content filter on Brazil. It was especially developed for all families. With it, parents can leave their computer free for their children to enjoy the best of Internet. The NetFilter Family service offers a high quality level on web filtering because of our... Once installed and enabled, the software protects you from the garbage of internet (drugs, sex, violence, etc. ... ). ... You can also block the action of sending and receiving e-mails whenever you want.
http://www.netfilter.com.br/english/familia/download/instalar2.exe - 2Mb - Download - Screenshot

WebCleaner
Do you want to prevent your children from accessing adult, gambling or violent web sites? Welcome to WebCleaner, real-time filtering unhealthy Internet content. Have you ever used the Internet? If so, you've probably encountered all-embracing contents which exist in the real world. ... NetGuarder proprietary content filtering technology, ICIA (Information Classification Intelligent Ambiguity), guarantees a spotless cyberspace to Internet users. ... Obviously we will not reject Internet just for the flaws and how to protect our innocent children from unhealthy content on the Internet?
http://www.NetGuarder.com/download/WebCleanerEN.exe - 2Mb - Download - Screenshot

Parental Filter
Parental Filter is an Internet Filtering Parental Control software package that provides anyone with control over the webpages displayed. Allowing you to block internet webpages that exhibit inappropriate words, and pictures. You can define the web sites that are allowed and those that are not... More common commercial softwares of this kind are called Net Nanny and Cyber-Sitter. ... Parental Filter has a built-in large database of pre-defined, undesirable websites, and keywords.
http://users.tpg.com.au/adslgoej/ParentalFilterSetup.exe - 6Mb - Download - Screenshot

Extensible Messaging Platform Anti-Spam Filter
Extensible Messaging Platform is a SPAM filtering firewall server application. Protects Exchange Server, Domino, GroupWise or any SMTP mail server from Internet SPAM, e-mail-borne viruses (including dangerous auto-launch viruses) and other objectionable content. ... Additional features include automatic XML extraction/database insertion, optional POP3 retrieval, comprehensive user-definable contextual filtering, content-based message routing and developer API. ... Installs as Windows Service or UNIX server.
http://www.jak.com/spam-filter/antiSpamFilterTrial.htm - 16Mb - Download

Ad Nuker Popup Blocker & Spam Filter
Filter Junk E-Mail Spam, Ads, Pop Ups advertising, Viruses, Tojans & Spyware. Works with POP3 & IMAP. This FREE tool uses intelligent filtering of annoying Popup ads, e-mail spam, Spyware, Adware, Trojans, Viruses, Spyware Cookies. Unique features allow you to block all popups and spam or allow... AD NUKER is embedded in IE toolbar, Protecting you while you are surfing the internet from annoying ads & banners, You can enable or disable the popup ads by one click, Notifies you with a sound alert when a new popup is caught, Gives you statistics about pop-ups that have been caught during the...
http://www.adnuker.com/download/adnuke4600.exe - 3Mb - Download - Screenshot

Popup Blaster
The award winning Popup Blaster kills annoying pop-ups and pop-unders during your surfing sessions. Fully customisable, and editable, it allows you to stay completely in control. Speeds up your surfing by closing pop-ups before they can load. Unlike most other killers which offer only one type... It also has database filtering and aggressive dynamic filtering if you want these options. ... On top of the popup killing power you also get privacy features: remove IE Internet temporary files, the recently viewed web site drop down list, clears the recent documents menu and clears the IE history!
http://www.rowanvale-software.co.u...ads/PopupBlaster/PopupBlaster.exe - 1Mb - Download - Screenshot

Smartalec Internet Security Suite 2004
Smartalec Internet Security Suite 2004 is designed to provide your computer with quinessential protection against deadly worms, viruses, hackers, and other forms of network threats and nuisances. Smartalec Internet Security Suite 2004 includes: Smartalec Firewall Guard 2004: -Intrusion... Smartalec Anti-Worm 2004: -Scans and cleans popular Internet worms at a break-neck pace. ... -Fully adjustable for the level of filtering that you desire. ... -Advanced probability junk mail filtering engine that "learns" from past email messages to improve detection accuracy as time goes by.
http://www.smartalec2000.com/download/sectrial.exe - 3Mb - Download - Screenshot

FilterGate
Use FilterGate for a browsing experience free of Popups, Banners, Privacy invasions and other unwanted content. Filters included in FilterGate are:- • Popup Filter –removes popup and pop under ads. • AdFilter – removes Banner advertising. • AdultFilter –blocks adult content, is Password Protected. ... FilterGate is a powerful filtering product that offers you four main internet filters in one small downloadable application. ... It takes only minutes to install and is ready to use in seconds. ... FilterGate offers you "Cleaner Browsing and peace of mind".
http://filtergate.com/download/fgsetup.exe - 701Kb - Download - Screenshot

SYF - Safer Youth Filter
The SYF browser is an internet browser that blocks offensive content. The SYF Browser filters out content of over 700 key words and phrases that are offensive, or are potentially offensive in nature. The key word filter is easily customizable in the control panel. ... There are no guarantees that this or any other internet filter can filter out all offensive content. ... The purpose of this software is to provide a 'safer' internet experiance for you and your children. ... Additionally, specific internet sites and sub domains can be blocked from use.
http://syf.twobrotherssoftware.com/trialp/syftriala0a.exe - 16Mb - Download - Screenshot