os:
RHEL5

browser:
firefox

chm:
chmlib
kchmviewer
http://www.kchmviewer.net/

pdf viewer:
adobe reader

pdf editor:
pdfedit
http://pdfedit.petricek.net/

IM:
lumaqq

player:
mplayer
smplayer

p2p tv:
sopcast
qsopcast

mail client:
thunderbird

Office:
永中集成Office2007

ie:
ie4linux

Dictionary:
StarDict

virtulization:
vmware

mail server:
postfix

scanner:
nmap

server monitor:

nagios

 

Network speed monitor:

iptraf

 

希望大家可以回复自己的！

只选最好的!