After many years using Tiger, the destiny have forced me to go back to the past and to use Panther for some days, while I take more memory for this laptop.
Find useful and lightweight apps isn't a easy task, since this OS is abandoned for the most of users and isn't supported by Apple; moreover my RAM memory is the minimum (256MB)
aMSN 0.983 (March.2010)
Ms. Messenger 6.03
Adium 1.0.6 (MSN protocol isn't working)
Acrobat Reader 7.1.0
Some Commercial apps working.