A newer version of Amnesia is available.Or, Learn More About Amnesia
Full user review
"Well-written but pricey."
Nice, easy to use interface that scans well and gives many options for uninstalling.
Only dislike is price: you can achieve pretty much the same with trash me and Onyx.
If you have to take care of other people's macs or are one of those frequent app changers, like me, then this is a great tool. 20 USD is a bit steep for scripts with a nice interface, though.