Some kind of alternative app market based on subscription, starts from $9.99 a year.
Access to the meta data of the Android Market on a web site. Includes links to other sites, but no download facility.
A Windows desktop client that allows downloading from the Android market. Requires Google username / password and some other data that appears to be sniffed off the device.
Market site for buses in Venezuela. Well, site for all sorts but this link is for buses. They're very expensive compared to the US.