root@OpenWrt:~# ipkg list installed
Done.
root@OpenWrt:~# ipkg list_installed
base-files-brcm-2.4 - 10-9078 - 
bridge - 1.0.6-1 - 
busybox - 1.4.2-2 - 
dnsmasq - 2.39-1 - 
dropbear - 0.50-2 - 
hostapd - 0.5.7-1 - 
iptables - 1.3.7-1 - 
kernel - 2.4.34-brcm-1 - 
kmod-brcm-wl - 2.4.34+4.80.53.0-1 - 
kmod-diag - 2+2.4.34-brcm-1 - 
kmod-ipt-nathelper - 2.4.34-brcm-1 - 
kmod-madwifi - 2.4.34+r2568-20070710-brcm-2 - 
kmod-ppp - 2.4.34-brcm-1 - 
kmod-pppoe - 2.4.34-brcm-1 - 
kmod-switch - 2.4.34-brcm-1 - 
kmod-wlcompat - 2.4.34+brcm-6 - 
libgcc - 3.4.6-10 - 
libopenssl - 0.9.8e-1 - 
mtd - 5 - 
nas - 4.80.53.0-1 - 
nvram - 1 - 
ppp - 2.4.3-8 - 
ppp-mod-pppoe - 2.4.3-8 - 
uclibc - 0.9.28-10 - 
wireless-tools - 29-1 - 
wlc - 4.80.53.0-1 - 
zlib - 1.2.3-4 - 
Done.