Encrypt The Planet

 BeeThink IP Blocker blocks unwanted IP addresses based on IP blocklists. It monitors network activities in real-time and prevents the connection between a server/website and certain IP addresses or ranges of addresses. BeeThink IP Blocker effectively bans undesired connections from those computers to a website, mail server, or other Internet server. It is very easy to block country IP addresses with Apache's .htaccess file. If users want to know where their computers communicate, the 'IP address look up' program will tell them more. Meanwhile, users can easily build up their blacklist or whitelist by simply clicking. VISTA & Windows 7  32/64bit compatible!                               

PeerGuardian 2 is Phoenix Labs’ IP blocker for Windows. PeerGuardian 2 integrates support for multiple lists, list editing, automatic updates, and blocking all of IPv4 (TCP, UDP, ICMP, etc). PeerGuardian 2 is Open Source, meaning the program code is available online for anyone who wants it. This allow you to make modifications or even branch off into your own project, but it encourages peer review of the code making sure any bugs are eliminated swiftly. Vista  & Windows 7 32/64 bit not officially supported.  

The Blocklist Manager (BLM) is an all-in-one blocklist editing tool, allowing you to download regularly updated blocklists, import personal inclusions and exclusions, import log files, search for information on IP addresses, and export a blocklist to a file in various formats. The BLM accesses Bluetack's blocklists to enable you to create your own personal block lists. This list then can be exported to many filtering applications, like ProtoWall, Peerguardian, popular firewalls such as Outpost Firewall & Online Armor. Or you can utilize the online block list converter..

Agnitum Outpost is the first personal firewall developed with Open Architecture. It is also the first personal firewall that supports plug-ins. Sample plug-ins are included to show how this revolutionary technology can easily be employed for such tasks as Intrusion Detection, Advertisement Blocking, Content Filtering, E-mail Guard, and Privacy Control. It is equipped with every feature a personal firewall should have. It is the most functional firewall in the world. Outpost supports all the latest security techniques and features such as: Full Stealth Mode, Anti-Leak, MD5 Authentication, and of course a fully functional IP Blocker which you can import custom IP lists.