Facebook Chat is now available as an application from Facebook itself, Earlier it was available from thirdparty chat tools like nimbuzz, fring etc. these versions are not this flexible and soforth didnt get popular
This is not just a Chat application , its comes with facebook notification alerts, chat alerts, requests etc under one roof
Download : http://dragon.ak.fbcdn.net/cfs-ak-ash4/84995/940/FacebookMessengerSetup.exe
Installation takes max 5 minutes, and is a must for all who love facebook
Advantages
- No need to login each time
- Get alerts instantly
- Get chat alerts apart from browser
- can go to threads directly
- Multtiple chat , tab based