Download apks of mobile firefox directly and skip the Google market bs. Very useful, was a pain in the ass finding this.
Connect an android phone to a computer so that incoming notifications are sent to the computer. Very nifty, ultra nerdtastic, probably not really necessary!
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.
List of android and other platform app stores. Includes the major ones.
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.
Step by step instructions on how to flash the rom of the Nexus One. Only missing part is the udev rules for Ubuntu.
Used these instructions to unlock the boot loader of the Nexus One.
I installed the udev rules from this page on Ubuntu to get the HTC Google Android Nexus One properly recognised by Ubuntu.
I downloaded fastboot from this page for the HTC Google Nexus One.