gimme
Cut through the cruft of whois.
Simple command line utility that takes a name and shows domain and twitter availability.
Requires node.js and npm. Uses twitter.com and instantdomainsearch.com for data.
Installation:
$ npm install -g gimme
Usage:
$ gimme example
or with an extension:
$ gimme example.com
Outputs:
NO example.com
NO example.net
NO example.org
NO example.biz
NO example.mobi
NO twitter.com/example
(your name might have better luck.)