AIM Express lets you use IM without installing a client
AIM Sniffer - capture and monitor AIM chat on your network
Mentor for the Internet - Incl. Internet Explorer 6.0, Outlook Express 6.0, AOL Instant Messenger, MSN Messenger, and MSN Explorer : Amazon.co.uk: Software
AOL launches updated AIM 6.0 - Software - iTnews
AIM 6.0 - Review 2007 - PCMag UK
MSN Messenger - Wikipedia
Unable to patch AIM 6.2 for some reason (AIM 6 not found even it's was installed) - AOL Instant Messenger - MessengerGeek