NetworkManager - NetworkManager is a set of co-operative tools that make networking simple and straightforward.
wicd - Wicd is an open source wired and wireless network manager for Linux.
iw - iw is a new nl80211 based CLI configuration utility for wireless devices.
ceni - Network manager used by Linux distributions Sidux and Aptosid, but can be installed on debian based...
Wvdial - WvDial (pronounced "Weave Dial") is an easier way to connect to the internet.
VSNM - VSNM - Very Simple Network Manager