Looking for shipping services Plugin

Hi all ,

i would like to impletement 3'rd party shipping services like

UPS
USPS
Fedex

what i would like to know is that, is there any plugin available for
implementation.

i had gone through shipping gem , it has only fedex and ups services..

Please assist..

Thanks in advance,
Jacob V Thomas

Last I heard the shopify / activemerchant gang were working on something.

http://github.com/Shopify/active_shipping/tree/master