judging the status of the user in instant messaging software
Fitting IM Client for Company
Enable smilies/emoticons in UCWA Chat application
Developer Team Instant Messaging Tool
Is there a product that provides private messaging ala Facebook Messages/Twitter DMs?
Trillian, digsby or Pidgin over Lan?
How do Yahoo! Messenger status detectors work?
How messengers (IM) works (listening)?
What is the best “Chat Now” component available for integration with my website? [closed]
Creating an IM bot
How would you make an instant messenger program for a websites userbase?
A pre-coded web-based client that can connect to OSCAR/AIM and/or GCHAT that I can host on my web server?
Real-time chat with push notification