GeekUninstaller is an excellent alternative to the typical Windows "Add/Remove Programs" or simply "Programs" feature, also known as the utility which uninstalls or changes a program. It is a freeware install/uninstall application that's light on system resources and portable.
Here are some screenshots to illustrate the features and user interface of this application:
NTLite
WSCC
Avast Clear
AVG Clear (AVG Remover)
Nullsoft Scriptable Install System