Website Block
Website Block software utility allows you to block unwanted websites from display in Internet Explorer. If a website is blocked the user is forwarded to a blank page and the contents of the page are not loaded on your PC. Stop loading banners and ads, block your kids from spending hours in chat... The software includes password protected mode so that other computer users can not modify the list of blocked sites and capability of saving and loading lists of blocked URLs or keywords.
http://www.ashkon.com/download/webblock.exe - 541Kb - Download - Screenshot

NetDog Block Porn
NetDog Porn blocker,block porn websites on the internet easily! Special Intelligent content Filtering Engine block porn websites on the Internet. The content filtering engine examines in real-time all the data (such as Web sites, e-mails, net chat contents, FTP, P2P) being transmitted and... NetDog block porn easily and effectively, block porn, porn blocking ! ... You can also block all URLs except some special URLs you have decided not to block. ... Just Download this netdog block porn and start with it,you'll find how easy it is to block porn websites.
http://www.nbisoft.com/netdogpornblocker.exe - 584Kb - Download - Screenshot

Safe Chat w/Parental Controls
Safe Chat Universal Messenger with Parental Controls is a universal instant messenger that support MSN messenger, Yahoo messenger, AIM (AOL) and ICQ network. The parental controls features let the parents control who can chat with their children, when their children can chat online. ... Safe Chat block web based chat sites so that children can not go on to unwanted sites and chat. ... Once Safe Chat is installed it will block other messengers from being launch. ... Uninstalling Safe Chat is also password protected, to prevent your child from uninstall and reinstalling the software.
http://www.zihtec.com/download/SafeChat.exe - 4Mb - Download - Screenshot

ChatBlocker
Are your children spending too much time chatting? Are employees chatting and getting off task in the office? ChatBlocker is the powerful desktop parental control application for moderating and restricting chat conversations! With ChatBlocker, you can easily setup time slots in which you wish to... ChatBlocker uses an advanced, low level approach to blocking chat conversations to ensure that they do NOT take place. ... When coupled with ChatBlocker's powerful security features, it's powerful stealth mode feature, and remote log viewing capabilities (via e-mail) - it makes ChatBlocker must...
http://www.exploreanywhere.com/chatblocker-setup-sw.exe - 2Mb - Download - Screenshot

IMterrupt Home Version
IMterrupt Home Edition controls and blocks access to Instant Messaging and peer to peer services that waste time and that can infect your home PCs with viruses or even allow your family to be endangered. Free trial version available - sets up in less than a minute. ... A simple password that you set gives you the ability to block access to chat, web sites and file sharing all of the time, or according to a daily schedule of your choosing. ... You can also block popular peer-to-peer file sharing programs, and individual web sites.
http://www.imterrupt.com/download/IMLHomeSetup.exe - 3Mb - Download - Screenshot

IM Lock Home Edition Single User
IM Lock Home Edition controls and blocks access to Instant Messaging and peer to peer services that waste time and that can infect your home PCs with viruses or even allow your family to be endangered. Free trial version available - sets up in less than a minute. ... A simple password that you set gives you the ability to block access to chat, web sites and file sharing all of the time, or according to a daily schedule of your choosing. ... You can also block popular peer-to-peer file sharing programs, and individual web sites.
http://www.comvigo.com/downloadIMLock/IMLHomeSetup.exe - 2Mb - Download - Screenshot

IMterrupt Professional
IMterrupt controls and blocks access to Instant Messaging and peer to peer services that waste time and compromise computer security. Free trial version available - sets up in less than a minute. Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and more. ... A simple password that you set gives you the ability to block access to chat, web sites and file sharing all of the time, or according to a schedule of your choosing. ... Firewalls and anti-virus programs alone can't stop a persistent user who wants to chat, trade files, or visit disallowed...
http://www.imterrupt.com/download/IMLSetup.exe - 3Mb - Download - Screenshot

IM Lock Professional Single User
IM Lock controls and blocks access to Instant Messaging and peer to peer services that waste time and compromise computer security. Free trial version available - sets up in less than a minute. Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and more. ... A simple password that you set gives you the ability to block access to chat, web sites and file sharing all of the time, or according to a schedule of your choosing. ... Firewalls and anti-virus programs alone can't stop a persistent user who wants to chat, trade files, or visit disallowed web...
http://www.comvigo.com/downloadIMLock/IMLSetup.exe - 2Mb - Download - Screenshot

IM Lock Enterprise
IM Lock controls and blocks access to Instant Messaging and peer to peer services that waste time and compromise computer security. Free trial version available - sets up in less than a minute. Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and more. ... A simple password that you set gives you the ability to block access to chat, web sites and file sharing all of the time, or according to a schedule of your choosing. ... Firewalls and anti-virus programs alone can't stop a persistent user who wants to chat, trade files, or visit disallowed web...
http://www.comvigo.com/downloadIMLock/IMLESetup.exe - 3Mb - Download - Screenshot

x Chat Free
x Chat Free is a private one-on-one intranet chat client in real time. It is simple to use with powerful features. You don't need to setup a server or configure your setting. x Chat Free uses peep to peer connection, no hard work to configure the server or firewall. ... Encryption, away password protection and IP blocking enhance the security issue of your private chat session. ... It is the most flexibility, functionality, customizable and user-friendly chat client. ... Combined with network resolving and view utilities, file transfer, drawing board, screen capture, auto-connect/notify,...
http://www.xstudio.ca/xchat/download/xchatf29.exe - 4Mb - Download - Screenshot