IMMonitor Yahoo Messenger Spy
IMMonitor Yahoo Messenger Spy allow you to monitor, block or record Yahoo Messenger conversations remotely, If your kids (or spouse! ) are spending too much time chatting via Yahoo Messenger, or you suspect they're engaged in dangerous conversations, IMMonitor Yahoo Messenger Spy is a very... No one will know how their Yahoo Messenger conversations is being blocked or recorded and it will never stop working until you close it. ... You can save all intercepted messages to HTML files for later processing.
http://www.immonitor.com/download/yahoochecker.exe - 1Mb - Download - Screenshot

Host Security Personal
Host Security Personal(HSP) not only password-protects files and folders, it also protects you from hacker attacks when you surfing the Internet. HSP allows you to specify which websites or IP addresses can be accessed so can be used to block unhealthy websites. ... It can also block popular instant messengers, such as MSN Messenger, Yahoo! ... Messenger, ICQ, and AOL Instant Messenger. ... It supports FAT/FAT32/NTFS and works under Windows 2000/XP. ... HSP also restricts uses of local hard disks, CD-ROM drives, floppy drives, and removable disk drives so without your permissions...
http://www.y0ys.com/exe/hspsetup.exe - 854Kb - 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. ... Once Safe Chat is installed it will block other messengers from being launch. ... Safe Chat block web based chat sites so that children can not go on to unwanted sites and chat. ... The only approved browser that the child can use is the Internet Explorer that come standard with Windows.
http://www.zihtec.com/download/SafeChat.exe - 4Mb - Download - Screenshot

Pop-Up Stopper Professional
The only privacy product to block pop-up windows and clean tracking files in every browser on every Internet connection. No matter how you surf, you are protected. Pop-Up Stopper Professional blocks, or quickly closes, pop-up and pop-under ads in ALL browsers, including FireFox, AOL, MSN,... This product even blocks those new, annoying Messenger Service Spam windows. ... Preserve bandwidth by stopping pop-up windows before they load! ... Play one of many fun sounds when a pop-up window is blocked.
http://www.popupstopper.net/downloads/PopUpStopperProfessional.exe - 1,000Kb - 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. ... Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and more. ... You can also block popular peer-to-peer file sharing programs, and individual web sites. ... IMterrupt Home Edition allows parents and guardians to effectively block and control the most widely used instant messaging...
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. ... Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and more. ... You can also block popular peer-to-peer file sharing programs, and individual web sites. ... IMLock Home Edition allows parents and guardians to effectively block and control the most widely used instant messaging programs.
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. ... You can also block popular peer-to-peer file sharing programs, and individual web sites.
http://www.imterrupt.com/download/IMLSetup.exe - 3Mb - 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. ... You can also block popular peer-to-peer file sharing programs, and individual web sites.
http://www.comvigo.com/downloadIMLock/IMLESetup.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. ... You can also block popular peer-to-peer file sharing programs, and individual web sites.
http://www.comvigo.com/downloadIMLock/IMLSetup.exe - 2Mb - Download - Screenshot

tipicim
Jabber based Instant Messager Client that allows you to comunicate with your friends who use ICQ, Yahoo! Messenger and MSN Messenger. You can create Chatrooms and access new and innovative services. Some of TipicIM features: • Chat • Text Conferencing • Roster • Resources • Profiles • Multiple... Most plugins (on the server and client side) are Open Source, so that developers can use them and modify them to their likings. ... Functions are implemented in a modular way through plugins so that new features can be easily added and managed.
http://tipic.com/downloads/eng/tipicim.msi - 1Mb - Download - Screenshot